Are you trying to find keychain breathalyzers 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 keychain breathalyzers 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 27 hours of research and did 17 keychain breathalyzers 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 keychain breathalyzers you can buy today
- QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers reliable, accurate BAC results you can trust.
- EASY TO USE - One button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that easy!
- TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
- OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
- ESTIMATE YOUR ALCOHOL LEVEL WITH PRO-GRADE ACCURACY - Powered by BACtrack's patented BluFire Fuel Cell Sensor, the C6 utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement.
- KNOW WHEN YOUR BAC WILL RETURN TO 0.00% - BACtrack's innovative ZeroLine technology estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand.
- CALL AN UBER - Remember, the only safe time to drive is when your BACtrack shows 0.00%. Anything above that? You can call an Uber directly from the App.
- OPTIONAL WIRELESS CONNECTIVITY - Use the BACtrack C6 with or without your smartphone. "Standalone Mode" delivers your BAC results directly to your C6. "App Mode" wirelessly delivers your BAC results to the BACtrack App on your smartphone. Easily switch between modes.
- ONE YEAR WARRANTY - If your BACtrack C6 ceases to function properly during the first year of operation, we will repair or replace the defective product
- 【Professional High-Precision Sensor 】The EK300 breathalyzer is 2024 newest version , upgraded with the great 4.0 sensor to ensure more accurate measurement results. It has gained unanimous recognition from experts, engineers, and individuals, and has FDA, CE, and ROSI certification certificates. After you drink alcohol, perhaps you need an alcohol tester that can be your good companion.
- 【Powerful Features】1. Record 20 test records; 2. Quickly detect results within 5 seconds; 3. Accurate to 3 decimal places; 4. It will automatically shut down when not in use.
- 【Easy to Operate】 After turning on, wait for 20 seconds for preheating time, then start blowing air for 3-5 seconds to get the result. When the test result is higher than 0.050% BAC or 0.500‰ BAC, a "di di di..." alarm will sound to alert you and display red.
- 【Portable & Replaceable Mouthpieces】 The alcohol tester is very lightweight and small, only 50g，making it easy to put in your wallet or pocket, and comes with 10 interchangeable mouthpieces; The mouthparts are made of edible PP and can be cleaned and reused; Alcohol testers are perfect for placing in pockets, backpacks, cars, and other locations to ensure safe driving after drinking;
- 【Package Include】: 1*breathalyzer, 5* replaceable mouthpieces, 1*instruction manual. If you encounter any usage or pre purchase issues, please feel free to contact us 24 hours a day. Thank you!
- Automatic shutdown, Rapid Response and Recovery. - alcoholimetro
- A simple method to analyze the concent ion in the blood in any time and any place. - mini breathalyzer
- LCD display gives you clearer view and digital automatically gives you ble alert. - alcohol breathalyzer
- Easy to carry, tiny volume with keychain design. - breathalyzer
- Environment and healthful. Blowing design with five mouthpieces for multiple users. - breathalyzer alcohol tester
- QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers reliable, accurate BAC results you can trust
- EASY TO USE - One button operation means you simply power on your keychain breathalyzer and begin testing in seconds. It's that easy!
- TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
- OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
- ONE YEAR WARRANTY - If your BACtrack Keychain ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge.
- 【Application】Advanced semiconductor oxide alcohol sensor is a simple method to analyze the concent ion of Alcohol in the in any time and any place.
- 【LCD display】LCD display of the portable digital breath alcohol tester gives you clearer view and digital alcohol automatically gives you for Audible alert.Automatic shutdown, Response and Recovery.
- 【Environment and healthful】LED Screen Lie Detector Breath Tester blowing design with five mouthpieces for multiple users, which guarantee the use of health and .
- 【Easy to carry】Devicelcd Screen Alcohol Analyzer comes with keychain designis, tiny volume and easy to carry.
- 【High sensitivity】The Digital Alcohol Breath Analyzer is highly sensitive.The Accuracy: 0.01% BAC (0.1g L) for your convenience.
- 𝗖𝗼𝗻𝘁𝗮𝗰𝘁𝗹𝗲𝘀𝘀 𝗔𝗹𝗰𝗼𝗵𝗼𝗹 𝗧𝗲𝘀𝘁𝗲𝗿: Ensure your safety with BreathGuard Buddy's advanced non-contact technology, providing a fast and convenient non-contact design blood alcohol breathalyzer without the need for disposable mouthpieces. This design makes it ideal for multiple users. Rechargeable with USB-C high-speed technology, it’s ready to go whenever you are.
- 𝗥𝗮𝗽𝗶𝗱 & 𝗣𝗿𝗲𝗰𝗶𝘀𝗲 𝗥𝗲𝘀𝘂𝗹𝘁𝘀: Get reliable BAC breathalyzer alcohol tester breathalyzer readings in under 30 seconds with our mini breathalyzer, calibrated for accuracy. The alcohol blower breathalyzer device uses state-of-the-art sensors to deliver precise results that you can trust, every time. It also features easy-to-understand color indicators for different BAC levels, ensuring you can quickly assess your condition.
- 𝗖𝗼𝗻𝘃𝗲𝗻𝗶𝗲𝗻𝗰𝗲 𝗮𝘁 𝗬𝗼𝘂𝗿 𝗙𝗶𝗻𝗴𝗲𝗿𝘁𝗶𝗽𝘀: Our keychain breathalyzer boasts a compact and lightweight design that easily fits in your pocket or on your keychain, ensuring it’s always within reach. The USB-C fast charging ensures your personal breathalyzers is always ready, whether you're at a party, a family gathering, or just enjoying a night out. Never worry about being caught off-guard without a charged device again.
- 𝗦𝗺𝗮𝗿𝘁 & 𝗨𝘀𝗲𝗿-𝗙𝗿𝗶𝗲𝗻𝗱𝗹𝘆: One-button operation means no fumbling with complicated settings, making it incredibly easy to use even in stressful situations. The alcohol percentage tester features a bright, crisp LCD display that provides excellent visibility, even in low-light conditions. Its intuitive design ensures that anyone can use it without prior experience, adding to your peace of mind.
- 𝗣𝗼𝗿𝘁𝗮𝗯𝗹𝗲 𝗣𝗲𝗮𝗰𝗲 𝗼𝗳 𝗠𝗶𝗻𝗱: Designed to be discreet and portable, attach your BreathGuard Buddy pocket breathalyzer for alcohol tester for liquor to your keychain and take it wherever you go. Its small size doesn’t compromise on performance, offering powerful protection in a sleek package. A smart choice for responsible alcohol consumption, this hand held breathalyzer ensures you're always prepared to make informed decisions about your safety and the safety of others.
- Enhanced Protection: The silicone cover is specially designed to protect your Keychain Breathalyzer from dust, dirt and other external factors, thereby enhancing its durability and functionality.
- Protecting your Keychain Breathalyzer from scratches, bumps and dents, it can provide long-lasting protection for your Keychain Breathalyzer and extend its lifespan.
- Made of high-quality silicone material, this silicone cover is easy to clean and removable for dishwasher safe, durable and can withstand daily wear and tear, providing long-lasting protection for your Breathalyzer.
- Stylish Design: The sleek and compact design of the cover matches your Keychain Breathalyzer perfectly, adding a touch of style while ensuring optimal protection.
- Easy Installation: Simply slip the silicone cover over the Keychain Breathalyzer cover for an easy, （See pictures）Its snug fit ensures your can opener is always safely protected.
- 30 DAYS MONEY BACK GUARENTEE,LIFETIME WERRANTY.
- -★- ENERGY-SAVING & AUTO-OFF FUNCTION. Powered by 2 x AAA batteries( not included, but commonly available), this breathalyzer will automatically shut off to save power after finishing the test for 5 seconds. Each time you install batteries, you can test more than 200 times.
- -★- FASHION KEYCHAIN DESIGN. This alcohol breathalyzer is space-saving, lightweight. It is easy to hold and carry. Pocket-size allows you take it anywhere and anytime, ensures your safe driving after drinking.
- -★- LARGE DIGITAL LCD SCREEN This alcohol breathalyzer has a large LCD screen with orange background Light. It is convenient for you to use this alcohol breath at night.
- -★- HIGH ACCURACY & SENSITIVE . This breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive semi-conductor sensor, this portable breathalyzer can quickly give a result to judge whether you can drive or not.
- COMPATIBLE BREATHALYZERS - BACtrack Keychain, BACtrack Go, BACtrack Vio and BACtrack T60 breath alcohol detectors. Not compatible with BACtrack C6 and C8 personal breathalyzers.
- FOOD GRADE PLASTIC - These replacement breathalyzer mouthpieces are made of FDA compliant food-grade plastic, ensuring no contamination will be absorbed into them.
- WASHABLE, REUSABLE & RECYCLABLE - To clean, simply drop into soapy water, rinse, and air dry. They can also be used as single-use mouthpieces for high volume testing environments. Please make sure to recycle afterwards.
- MAKES SHARING YOUR BACTRACK EASY & HYGIENIC - Want to share your BACtrack with friends or family? Simply swap out a breathalyzer mouthpiece cover for each new person.
- ONE YEAR WARRANTY - If your BACtrack ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge.
- - 🚗 **High Accuracy & Sensitivity**: Equipped with a sensitive semi-conductor sensor, this breathalyzer provides quick and accurate readings to determine if you are safe to drive. Ensure your safety with reliable results every time.
- - 🔋 **Energy-Saving & Auto-Off Function**: Operates on 2 AAA batteries (not included) and features an automatic shut-off function to save power after 5 seconds of inactivity. With a single set of batteries, you can perform over 200 tests.
- - 🔑 **Portable Keychain Design**: Compact and lightweight, this breathalyzer easily attaches to your keychain for convenient portability. Its sleek design ensures you can carry it anywhere, anytime, making it perfect for on-the-go safety checks.
- - 📺 **Large Digital LCD Screen**: The breathalyzer features a large LCD screen with an orange backlight, making it easy to read results even in low-light conditions. Ideal for nighttime use.
- - 💯 **Satisfaction Guaranteed**: Enjoy peace of mind with a 30-day money-back guarantee and a lifetime warranty. Your purchase is risk-free and backed by our commitment to quality and customer satisfaction.
- 【Application】Advanced semiconductor oxide alcohol sensor is a simple method to analyze the concent ion of Alcohol in the in any time and any place.
- 【LCD display】LCD display of the portable digital breath alcohol tester gives you clearer view and digital alcohol automatically gives you for Audible alert.Automatic shutdown, Response and Recovery.
- 【Environment and healthful】LED Screen Lie Detector Breath Tester blowing design with five mouthpieces for multiple users, which guarantee the use of health and .
- 【Easy to carry】Devicelcd Screen Alcohol Analyzer comes with keychain designis, tiny volume and easy to carry.
- 【High sensitivity】The Digital Alcohol Breath Analyzer is highly sensitive.The Accuracy: 0.01% BAC (0.1g / L) for your convenience.
- 𝐀𝐥𝐰𝐚𝐲𝐬 𝐖𝐢𝐭𝐡𝐢𝐧 𝐑𝐞𝐚𝐜𝐡: Breathalyzers for Alcohol attach this Breathalyzer Keychain to keys/purse with carabiner clip (2.3" compact size). Designed as the ultimate Alcohol Breathalyzer Tester for drivers, it delivers instant Breathalyzer results before ignition. Perfect for workplace safety checks or personal Breathalyzer monitoring.
- 𝐍𝐨-𝐌𝐨𝐮𝐭𝐡-𝐂𝐨𝐧𝐭𝐚𝐜𝐭 𝐃𝐞𝐬𝐢𝐠𝐧: Breathalyzer Keychain advanced airflow sensors allow Breathalyzer testing from 0.5" away – ideal for group events. Unlike traditional breathalyzers, our keychain design ensures sanitary use with zero direct mouth contact.
- 𝐅𝐚𝐬𝐭, 𝐂𝐥𝐞𝐚𝐫 𝐒𝐚𝐟𝐞𝐭𝐲 𝐆𝐮𝐢𝐝𝐚𝐧𝐜𝐞:Breathalyzer in 25 seconds with color-coded results (Green/Yellow/Red). As a professional-grade tester, it maintains ±0.02% accuracy with routine self-calibration.Trust it for critical Breathalyzer decisions. Trust it for critical Breathalyzer decisions.
- 𝟒𝟖-𝐇𝐨𝐮𝐫 𝐑𝐞𝐚𝐝𝐢𝐧𝐞𝐬𝐬 : Personal Breathalyzers Power this Breathalyzer Keychain via USB-C for 150+ Breathalyzer tests. Engineered for Breathalyzers for Alcohol users needing reliability: 48hr standby time with clear battery indicator.
- 𝐈𝐧𝐭𝐮𝐢𝐭𝐢𝐯𝐞 𝐒𝐢𝐧𝐠𝐥𝐞-𝐁𝐮𝐭𝐭𝐨𝐧 𝐔𝐬𝐞:One press starts Breathalyzer mode; hold for flashlight. This Keychain Breathalyzer features an LCD optimized for Breathalyzer readability in dark environments. The ultimate Alcohol Breathalyzer Tester for bars, parties, and roadside checks.
- 【Acurancy & Consistency】 This alcohol tester is composed of advanced high-precision electrochemical sensor, which can accurately identify alcohol and feedback your actual situation on the LCD display. You can clearly understand the level of alcohol intake by corloful readout.
- 【Convenient to use】Press and hold the breathalyzer for a few seconds to turn it on, then press the button and blow into the right end of the front of the instrument. Continue blowing until the progress bar displayed on the screen is full, and you can get the result. You can also perform test settings, instrument calibration, and restore factory settings through the buttons in the lower left corner. Meet your daily testing needs.
- 【Fast recovery time & More efficient】Fast warm up and recovery time means less time between test. And Coming with a type-c cable for recharging the breathalyzer, allows you to charge anywhere. Environmental protection and energy saving, no need to replace the battery regularly, reduce the pollution of the environment.
- 【Compact & Store Data】The mini breathalyzer keychian is compact to carry or put in the bag and car. And it can store 100 detect recods, convenient for you to check. It can be used with family, friends or used as a New Year gift and Christmas gift for them which would be achieved while drinking and driving under the premise of safety.
- 【One year warranty】 If you encounter any problems in the use of the process, please contact us in a timely manner, our after-sales team will provide you with the best quality service to help you solve the problem, customer recognition is our biggest goal.
- Package Included: 1x Alcohol Breath Tester.
- Sizes: 73*39*20 mm.
- Net Weight: 22.6 g.
- Requires 2 x AAA batteries (Not Included).
- Portable, can be used at any time.
- Quickly&highy Accurate Breathalyer:The breathalyzer tester uses a high precision semiconductor alcohol sensor and provides fast results in just 5 seconds, delivering accurate feedback on your alcohol level via,without the need for disposable mouthpieces
- Easy To Use:breathalyzer test alcohol is easy-to-use, making blood alcohol testing easy for all.Simply turn on the alcohol tester,then blow for 5 seconds and your BAC results will be displayed,providing clear feedback with easy-to-understand
- Portable at your fingertips:Our keychain breathalyzer has a compact and lightweight design with USB-C fast charging ensures your personal breathalyzers is always ready,can be widely used to test friends in bars, family members at house parties
- Sound Warning Color Distintion:This breathalyzer was designed for a responsible drinker who wants to stay safe. When the test result is higher than 0.05% BAC, the display will turn red and a continuous beeping alarm will sound to alert you
- Compact Portable:pocket breathalyzer for alcohol to your keychain and take it wherever you go, Perfect for checking your alcohol level at weddings, parties, banquets or after a drink at the bar
- QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers reliable, accurate BAC results you can trust
- EASY TO USE - One button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that easy!
- TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
- OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
- ONE YEAR WARRANTY - If your BACtrack Go ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge
- Contains 50 high-quality food-grade plastic breathalyzer mouthpieces, fully meet the needs of daily use, recyclable, economical and affordable.
- Lightweight and easy to carry, suitable for travel and daily use, easy to install and replace, simple and convenient operation
- The breathalyzer mouthpiece can be easily removed, washed and reused, ensuring optimal hygiene conditions for each test.
- Stylish design: The design of this set of breathalyzer mouthpieces is suitable for your C6 and C8 keychain breathalyzers to perfectly match, adding a touch of fashion while ensuring optimal protection.
- The breathalyzer mouthpieces can be easily removed, washed and reused, easy to install and portable, these replacement breathalyzer mouthpieces are made of food grade plastic to ensure that they will not absorb any contaminants
- Product Compatibility: Compatible with - BACtrack C6, Go, C8, Mobile and Keychain Breathalyzers , do not worry about the size.
- Exquisite Workmanship: This product belongs to the wear-resistant and drop-resistant hard case, the zipper is of high quality, and the case is divided into two parts: half mesh pocket and full mesh pocket with zipper.
- Protective: The protective case is made of PU material, waterproof and durable, you can rest assured that you can put your alcohol tester, charging cable, mouthpiece and extra batteries in it. With this case, you no longer need to worry about the alcohol tester and accessories nowhere to store, no longer worry about the alcohol tester is damaged, our case will give your alcohol tester effective protection!
- Portability: The case is portable with a hand strap and included hiking clasp, so you can choose to carry it by hand, hang it on your backpack, or carry it in your handbag. The size of this product: 3.94*3.03*1.5in, small and lightweight, perfect for storing your breathalyzer!
- Note: Only include a case and a hiking clasp, breathalyzer is not included, please do not misunderstand when purchasing.
How to choose a good keychain breathalyzers
Does the idea of finding a fantastic keychain breathalyzers 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 keychain breathalyzers. 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 keychain breathalyzers 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 keychain breathalyzers 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 keychain breathalyzers 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 keychain breathalyzers 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 keychain breathalyzers 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 keychain breathalyzers, 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 keychain breathalyzers.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting keychain breathalyzers 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 keychain breathalyzers. 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 keychain breathalyzers 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 keychain breathalyzers.
