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The 8 Best sony bluetooth speakers portables of 2025

Are you trying to find sony bluetooth speakers portables among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling sony bluetooth speakers portables on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 20 hours of research and did 51 sony bluetooth speakers portables tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best sony bluetooth speakers portables you can buy today

No. 1
Sony SRSXB13/B Extra Bass Portable Waterproof Speaker with Bluetooth, USB Type-C, 16 Hours Battery Life
  • EXTRA BASS for deep, punchy sound
  • Sound Diffusion Processor expands sound far and wide
  • Waterproof and dustproof (IP67 rated).
  • Up to 16 hours of battery life with indicator
  • Compact portable design with multiway strap included
  • Add an extra speaker for stereo sound
  • Connect and stream music easily with Bluetooth
  • Convenient hands-free calling, Frequency Transmission Range - 20 Hz–20,000 Hz (Sampling frequency 44.1 kHz)
  • USB Type-C port
No. 2
Sony SRS-XG300 X-Series Wireless Portable-Bluetooth Party-Speaker IP67 Waterproof and Dustproof with 25 Hour-Battery and Retractable Handle, Black- New
  • LIGHT & PORTABLE: Super-light, portable design with the retractable handle, carefully designed to make the XG300 easier to carry.
  • IP67 RATING: From the beach to the park to the pool, the XG300 stands up to the elements with one of the highest ratings for protection from water and dust.
  • LONG BATTERY LIFE WITH QUICK CHARGING: Keep the party going with up to 25 hours of battery life on a single charge, and USB-C quick charging gives you up to 70 minutes of playback after just 10 minutes of charge time.
  • X-BALANCED SPEAKERS: X-Balanced speakers provide power, clarity, and distortion-free sound.
  • LED LIGHTING: Customizable ambient LED lighting through the Sony Music Center app.
  • USB TYPE-C & DEVICE CHARGING: The XG300 comes complete with a USB-C for battery charging, and doubles as a power bank with a USB-A port for charging another device no matter where you are.
  • BLUETOOTH: Stream wirelessly via BLUETOOTH or via wired 3.5 mm jack
  • HANDS FREE CALLING: Built-in microphone with echo canceling technology for clear calls.
  • APP CONTROL: Personalized sound control via the Sony | Music Center app. The Fiestable app enhances the mood with cool effects.
SaleNo. 4
Sony ULT Field 1 Waterproof Portable Bluetooth Speaker, Enhanced Bass, 12h Battery, IP67 Rated Dustproof Shockproof Rustproof, Detachable Strap (SRSULT10B), Black
  • BASS-BOOSTING: Portable bluetooth speakers like the Sony ULT Field 1 Wireless Ultra Portable Bluetooth Compact Speaker, allow you to unleash the power of deep, resonant bass with the ULT button. This small bluetooth speaker brings your music to life with its bass-boosting capabilities, making it a unique feature for music enthusiasts.
  • WATERPROOF: The Sony ULT Field 1 speaker doubles as a shower speaker bluetooth waterproof, allowing you to carry your music with you effortlessly, thanks to its compact design and detachable multi-way strap. As a waterproof speaker, it offers flexibility in how you use it - hang it, hold it, or secure it as per your convenience, making it ideal for outdoor activities, travel, or simply moving around the house.
  • DURABLE: Outdoor speakers like the Sony ULT Field 1 speaker, are known for their durability, boasting an IP67 rating. This wireless speaker is waterproof, rustproof, dustproof, and shockproof, making it a reliable choice for outdoor use, without worrying about damage from the elements.
  • LONG-LASTING: Bluetooth speakers like the Sony ULT Field 1 speaker, allow you to listen to your favorite tunes for extended periods with its long battery life. As one of the best portable bluetooth speakers, it offers up to 12 hours of uninterrupted music, ensuring a continuous supply of music, whether you're hosting a party, working out, or simply relaxing at home.
  • SURROUND SOUND: Experience a concert-like atmosphere in your own space with the Sony ULT Field 1 speaker's impressive surround sound. The sound diffusion processor fills up any space with sound through its DSP technology, creating a rich and immersive audio experience, particularly beneficial for those who appreciate high-quality sound.
No. 5
Sony SRS-XE200 X-Series Wireless Ultra Portable-Bluetooth-Speaker, IP67 Waterproof, Dustproof and Shockproof with 16 Hour Battery and Easy to Carry Strap, Light Gray
  • Lightweight design with an easy to carry strap for maximum portability
  • IP67 waterproof and dustproof paired with a shockproof design
  • Line shaped diffuser distributes music evenly across a wide sound stage
  • X-Balanced speakers for powerful bass and crisp sound
  • Dual passive radiators reproduce powerful bass notes
  • Up to 16 hours of playing time, plus quick charging
  • Personalized sound control via the Sony | Music Center app
  • Microphone w/ echo cancelling technology
  • Stream wirelessly via BLUETOOTH
  • The Fiestable app enhances the mood with cool effects
SaleNo. 6
Sony Bluetooth Speaker. Bluetooth Speakers for Home. 16 Hour Battery - Portable Bluetooth Speakers Waterproof. Sony Speaker with Extra BASS - Black. Compact Outdoor Wireless Portable Speakers
  • Enjoy powerful surround sound, deep, rich bass and clear vocals, thanks to the sound distribution processor with extra bass, full-range speaker and passive radiator
  • Take it everywhere! This portable speaker is waterproof and dustproof (IP67). It is even protected from UV rays. With a battery life of up to 16 hours and a battery life indicator on your smartphone, you don't have to worry about the music suddenly stopping
  • The SRS-XB13 is compact, lightweight and easy to carry. It features a convenient detachable strap that allows you to carry or hang your wireless speaker wherever you like. It is available in 6 great colours
  • Create wide-ranging stereo surround sound by connecting two SRS-XB13 Extra Bass speaker models together
  • Stay connected and enjoy high-quality hands-free calls with your SRS-XB13
SaleNo. 7
Sony ULT Field 7 Wireless Karaoke Party Speaker, Bluetooth Speakers, Waterproof, Rustproof, and Dustproof, Portable Speaker, Quick Charging, Long Battery Life for Home
  • CONCERT-LIKE AUDIO: Experience the live concert-like audio with this portable speaker, the Sony ULT Field 7 Wireless Portable Bluetooth Karaoke Party Speaker. It transforms your living room into a concert hall, bringing your favorite songs to life.
  • ENTERTAINMENT SYSTEM: The Sony ULT Field 7 is not just a portable speaker bluetooth, it's a complete entertainment system. With this portable speakers bluetooth wireless, you can sing along to your favorite tunes, perfect for fun-filled gatherings.
  • OUTDOOR DURABILITY: The Sony ULT Field 7 is a bluetooth speaker, designed to withstand harsh outdoor conditions. This bluetooth speaker waterproof is perfect for outdoor parties and gatherings, ensuring your music continues to play without worry of damaging your speaker.
  • LONG BATTERY LIFE: The Sony ULT Field 7's long battery life and quick charging feature ensures your party won't be halted by a dead battery. This speaker is capable of playing music for up to 30 hours on a single charge and recharging in just 10 minutes for up to 3 hours of music.
  • PARTY LIGHTING: The Sony ULT Field 7's dynamic party lighting can light up your party, creating a vibrant and exciting atmosphere. Synchronized with your music, these colorful lights make the Sony ULT Field 7 more than just a speaker, it's a complete party system that makes your gatherings more fun and memorable.
No. 8
Sony SRS-XE300 X-Series Wireless Portable-Bluetooth-Speaker, IP67 Waterproof, Dustproof and Shockproof with 24 Hour Battery, Black
  • LINE SHAPED DIFFUSER: Sony's unique Line-Shape Diffuser creates line source and distributes the sound evenly, across a wide sound front, to better fill your space with audio.
  • IP67 RATING: The XE300 is waterproof, so you'll have no worries by the sea or the pool side. Additionally, with an IP67 rating, your speaker is sealed against dust, so you can use it on any surface, wherever you take it.
  • LONG BATTERY LIFE WITH QUICK CHARGING: Keep the party going with up to 24-hours of battery life on a single charge, and USB-C quick charging gives you up to 70 minutes of playback after just 10 minutes of charge time.
  • X-BALANCED SPEAKERS: X-Balanced speakers provide power, clarity, and distortion-free sound.
  • APP CONTROL: Personalized sound control via the Sony | Music Center app. The Fiestable app enhances the mood with cool effects.
  • BLUETOOTH: Connect and stream music easily with Bluetooth.
  • HANDS FREE CALLING: Built-in microphone with echo canceling technology for clear calls.
  • PARTY CONNECT: Add to the fun with up to 100 compatible wireless speakers via Party Connect App.
No. 9
Sony SRS-XP500 X-Series Wireless Portable-BLUETOOTH-Karaoke Party-Speaker IPX4 Splash-resistant with 20 Hour-Battery,Black
  • Powerful Party Sound with MEGA BASS
  • Up to 20 hours of battery life with quick charging
  • X-Balanced Speaker for powerful bass. Supported Codecs: SBC, AAC, LDAC
  • IPX4 splash resistant design
  • New concept LED indirect illumination lighting
  • Unleash your inner pop star with 2 mic/guitar rear inputs
  • Integrated carry handle for easy portability
  • Connect and stream music easily with Bluetooth
  • Charge your device and play your tracks via USB port
  • Place the speaker upright or on its side
No. 10
JBL Flip 6 - Portable Bluetooth Speaker, powerful sound and deep bass, IPX7 waterproof, 12 hours of playtime, JBL PartyBoost for multiple speaker pairing for home, outdoor and travel (Blue)
  • Louder, more powerful sound
  • The beat goes on with the JBL Flip 6 2-way speaker system, engineered to deliver loud, crystal clear, powerful sound. Its racetrack-shaped woofer delivers exceptional low frequencies and midrange, while a separate tweeter produces crisp, clear high-frequencies. Flip 6 also features optimized dual passive radiators for deep bass, fine-tuned with using Harman's advanced algorithm.
  • IP67 waterproof and dustproof
  • To the pool. To the park. JBL Flip 6 is IP67 waterproof and dustproof, so you can bring your speaker anywhere.
  • 12 Hours of Playtime
  • Don't sweat the small stuff like charging your battery. JBL Flip 6 gives you up to 12 hours of playtime on a single charge.
  • Bold design
  • Bold audio meets bold design. Big-sounding yet easy to carry, the design fits any personal style. Stand it vertical or horizontal and choose from a variety of vibrant colors.
  • Crank up the fun with PartyBoost
  • PartyBoost allows you to pair two JBL PartyBoost-compatible speakers together for stereo sound or link multiple JBL PartyBoost-compatible speakers to truly pump up your party.
SaleNo. 11
Sony SRS-XG300 X-Series Wireless Portable-Bluetooth Party-Speaker - Black (Renewed)
  • This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day limited hardware warranty.
  • X-Balanced speakers provide power, clarity, and distortion-free sound.
  • Customizable ambient LED lighting.
  • Enjoy up to 25 hours of playing time.
  • Super-light, portable design includes a retractable handle.
SaleNo. 12
Sony SRS-XB33 EXTRA BASS Wireless Bluetooth Portable Speaker, IP67 Waterproof & Durable for Home, Outdoor, and Travel, 24 Hour Battery, Party Lights, USB Type-C, and Speakerphone, Taupe
  • Play it loud with EXTRA BASS sound
  • Built to last with a IP67 waterproof rustproof dustproof and shockproof design
  • Lasts all day long with up to 24 hours of battery life
  • X-Balanced Speaker Unit enhances sound quality and power
  • Boost your music with 2 speaker lights and multi-colored line lights and turn the lights on or off via the Fiestable App
  • Get things booming with Party Connect and sync up to 100 speakers
  • The speakerphone function offers a convenient way to talk hands-free, whether it’s a conference call for work or a chat with friends
  • Efficiently charge with USB Type-C and use the XB33 to charge your smartphone or other small devices via USB connection
  • Control the party with the Sony Music Center app and the Fiestable app
  • Wireless with BLUETOOTH technology and NFC
SaleNo. 13
Sony SRS-XV900 X-Series Wireless Portable-Bluetooth-Karaoke Party-Speaker with 25 Hour-Battery, Built-in Handle and Wheels, Omnidirectional-Sound and Lights - NEW
  • OMNIDIRECTIONAL PARTY SOUND: With Omnidirectional party sound, feel the groove in every corner with six tweeters around the front, sides and rear for clarity.
  • LONG BATTERY LIFE WITH QUICK CHARGING: Keep the party going with up to 25 hours of battery life on a single charge, and USB-C quick charging gives you up to 3 hours of playback after just 10 minutes of charge time.
  • BIG SOUND ON THE MOVE: With wheels and a convenient built-in handle, the XV900 is ready to go where you go.
  • EASY TO USE TOUCH PANEL: Access modes, settings, and lighting easily on the top touch panel.
  • X-BALANCED SPEAKERS: A unique, Sony-developed speaker unit allows for deep, punchy MEGA BASS and higher sound levels while maintaining clarity.
  • TV SOUND BOOSTER: The XV900 ramps up your TV sound with its 12.6 inch X-Balanced woofer and powerful midrange speakers, while tweeters on the side and rear fill the room.
  • PLUG & PLAY KARAOKE: Entertain your audience with inputs for karaoke and guitar. Two inputs so you can karaoke with a friend.
  • APP CONTROL: Personalize your sound with the compatible Sony Music Center app.
  • USB PLAY & CHARGE: Plug in and play music via USB, and use the XV900 to charge up your other devices.
No. 14
Sony SRS-XB100 Portable Bluetooth Speaker with Extra Bass, 16-Hour Battery Life, IP67 Water & Dust Resistance, Built-in Microphone, Compact & Lightweight Design – Orange
  • Extra Bass Technology – Delivers powerful, deep sound with enhanced bass for an immersive listening experience in a compact size.
  • 16-Hour Battery Life – Enjoy extended playtime with up to 16 hours of battery life, perfect for long trips and outdoor activities.
  • IP67 Water & Dust Resistance – Rugged design with IP67 rating ensures protection against water splashes and dust, making it ideal for outdoor adventures.
  • Built-In Microphone – Hands-free calling with clear voice quality, perfect for conference calls or chatting with friends directly from the speaker.
  • Compact & Lightweight Design – Portable and easy to carry, making it the perfect travel companion for music on the go.
SaleNo. 15
Sony SRS-XG300 X-Series Wireless Portable-Bluetooth Party-Speaker (Black) Bundle with Knox Gear Hard Travel Case (2 Items)
  • Bundle Includes: Sony SRS-XG300 X-Series Wireless Portable-Bluetooth Party-Speaker (Black) and Hard Travel Case (Black)
  • Power and Portability: With a built-in handle and heavy-duty sound, the XG300 makes it easy to start the party anywhere
  • Waterproof and Dustproof: From the beach to the park to the pool, the XG300 stands up to the elements with one of the highest ratings for protection from water and dust
  • Battery Life: Keep the party going with up to 25 hours of battery life on a single charge, and USB-C quick charging gives you up to 70 minutes of playback after just 10 minutes of charge time
  • USB Type-C and Device Charging: The XG300 comes complete with a USB-C for battery charging, and doubles as a power bank with a USB-A port for charging another device no matter where you are
No. 16
Sony SRS-XG300 X-Series Wireless Portable-Bluetooth Party-Speaker - Light Gray (Renewed)
  • This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day limited hardware warranty.
  • Super-light, portable design includes a retractable handle.
  • Enjoy up to 25 hours of playing time.
  • Charge your device via the USB port.
  • Customizable ambient LED lighting.
No. 17
Bose SoundLink Flex Portable Bluetooth Speaker (2nd Gen), Portable Outdoor Speaker with Hi-Fi Audio, Up to 12 Hours Battery Life, Waterproof and Dustproof, Black
  • MUSIC CALLS: The Bose SoundLink Flex Portable Bluetooth Speaker (2nd Gen) packs big, bold sound in a packable size that’s perfect for sharing tunes and good times anywhere on the planet
  • SOUND THAT TAKES YOU PLACES: Take advantage of the surprisingly powerful performance of this Bose portable speaker with its clear, balanced, high-fidelity audio and deep bass that is easy to take with you
  • PERFECTLY PORTABLE, WITH BATTERY LIFE TO MATCH: This Bose Bluetooth speaker is small enough to fit in your hand or clip onto a bag using the utility loop, plus it has up to 12 hours of battery life* so you can focus on the fun
  • TOSS IT, DROP IT, IT’S ALL GOOD: This IP67 rated Bose portable Bluetooth speaker is waterproof and dustproof and is wrapped in a durable, silicone-wrapped body to withstand drops, shocks, and rust
  • STAY CONNECTED WITH ADVANCED BLUETOOTH 5.3: This outdoor speaker uses Bluetooth 5.3 to ensure a continuous connection to your device from up to 30 feet away and can pair to multiple devices at once using multipoint technology
  • STEREO ON THE GO: Amp up the adventure with more sound when you link two compatible Bose speakers, choose Stereo Mode for left and right channels, or go for Party Mode for even bigger, bolder sound
  • PLAYS FROM ANY POSITION: Stand it up, lay it back, or hang it upside down, this small Bluetooth speaker uses PositionIQ technology to sense the speaker orientation and automatically adjusts for the best sound possible
SaleNo. 18
Sony SRS-XB23 EXTRA BASS Wireless Bluetooth Portable Lightweight Travel Speaker, IP67 Waterproof & Durable for Outdoor, 12 Hour Battery, USB Type-C, Removable Strap and Speakerphone, Black
  • Play it loud with EXTRA BASS sound
  • Waterproof, rustproof, dustproof and shockproof IP67 design for worry-free usage
  • Power through any playlist with up to 12 hours of battery life
  • Compact, lightweight, highly portable design
  • Get things booming with Party Connect and sync up to 100 speakers
  • X-Balanced Speaker Unit enhances sound quality and power
  • The speakerphone function offers a convenient way to talk hands-free, whether it’s a conference call for work or a chat with friends
  • Efficiently charge with USB Type-C
  • Control the party with the Sony | Music Center app
  • Connect and stream music easily with Bluetooth and NFC
SaleNo. 19
Sony SRS-XP500 X-Series Wireless Portable-Bluetooth (Renewed)
  • Powerful Party Sound with MEGA BASS
  • Up to 20 hours of battery life with quick charging
  • X-Balanced Speaker for powerful bass
  • IPX4 splash resistant design
  • New concept LED indirect illumination lighting
  • Unleash your inner pop star with 2 mic/guitar rear inputs
  • Integrated carry handle for easy portability
  • Connect and stream music easily with Bluetooth
  • Charge your device and play your tracks via USB port
  • Place the speaker upright or on its side
SaleNo. 20
Sony HT-AX7 Portable Theater System for Tablet, Phone, Laptop, Projector - Cinematic Surround Sound Speaker - 30H Battery - Easy Bluetooth Connection
  • 360 SPATIAL SOUND MAPPING TECHNOLOGY ENVELOPS YOU IN SOUND: Even stereo sound is transformed into immersive spatial sound using our advanced up-mixing algorithm – no matter what you're watching
  • COMPACT AND PORTABLE: Take your cinematic sound anywhere to enjoy 360 spatial sound wherever you are, straight from your tablet, phone, laptop or projector
  • STAMINA BATTERY FOR ALL DAY USE: With 30 hours of battery power. A 15W or higher USB PD compatible AC adaptor is required for charging (not included)
  • SLEEK DESIGN THAT BLENDS WITH ANY ROOM: Lightweight, with one-handed portability, place this Sony Bluetooth home speaker is designed to suit any interior
  • EASY SET-UP AND CONTROL: The Sony | Home Entertainment Connect app provides guidance and allows you to control the device from your smartphone, whilst Bluetooth makes it easy to connect and play
  • QUICK CHARGE FEATURE: 10 mins charge = 2.5 hours playback. AC adaptor is required to be minimum 45W and above for quick charge function (not included)

How to choose a good sony bluetooth speakers portables

Does the idea of finding a fantastic sony bluetooth speakers portables make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in sony bluetooth speakers portables. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top sony bluetooth speakers portables products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top sony bluetooth speakers portables on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top sony bluetooth speakers portables brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top sony bluetooth speakers portables based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the sony bluetooth speakers portables were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good sony bluetooth speakers portables, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your sony bluetooth speakers portables.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting sony bluetooth speakers portables for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our sony bluetooth speakers portables. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what sony bluetooth speakers portables should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on sony bluetooth speakers portables.