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Portable Keychain Breathalyzers

Stay safe on the go with compact breathalyzers that fit right on your keychain

Compact and easy to carry, keychain breathalyzers make testing on-the-go convenient.

These small devices are designed for quick personal checks, offering peace of mind at social events, parties, or while traveling. While not as precise as professional units, they provide a simple and affordable way to estimate blood alcohol levels anytime, anywhere.

 

Product List

Mini Keychain Breathalyzer with Professional Accuracy

Keychain Breathalyzer - Accurate

Product Review Score

4.86 out of 5 stars

156 reviews

$5.28

BACtrack Keychain Breathalyzer - Portable Alcohol Tester

Keychain Alcohol Breathalyzer

Bactrack

Product Review Score

4.88 out of 5 stars

68 reviews

$56.79

GREENWON Portable Battery-Powered Breathalyzer Keychain

GREENWON Keychain Breathalyzer

Greenwon

Product Review Score

4.26 out of 5 stars

146 reviews

$19.99

BACtrack Go Keychain Breathalyzer - Accurate & Portable

BACtrack Go Keychain Breathalyzer

Bactrack

Product Review Score

4.55 out of 5 stars

13 reviews

$34.19

Portable Keychain Breathalyzer with LCD Screen

Keychain Breathalyzer with Screen

Product Review Score

4.73 out of 5 stars

108 reviews

$14.34

BACtrack Keychain Breathalyzer - Ultra-Portable Alcohol Detector

Keychain Breathalyzer Portable Detector

Bactrack

Product Review Score

4.18 out of 5 stars

131 reviews

$19.49

BACtrack Keychain Breathalyzer Mouthpieces - 20 Pack

BACtrack Keychain Mouthpieces 20 Pack

Bactrack

Product Review Score

4.84 out of 5 stars

151 reviews

$14.99

BACtrack Professional Breathalyzer 20 Mouthpieces Pack

BACtrack Pro Breathalyzer Pack

Bactrack

Product Review Score

4.93 out of 5 stars

192 reviews

$11.99

Keychain Breathalyzer - Compact Alcohol Tester on-the-go

Keychain Alcohol Breathalyzer

Product Review Score

4.22 out of 5 stars

117 reviews

$14.96

BACtrack Go Keychain Breathalyzer - Ultra-Portable

BACtrack Go Keychain Breathalyzer

Bactrack

Product Review Score

4.23 out of 5 stars

73 reviews

$24.99

Portable High-Accuracy Alcohol Breathalyzer Keychain

Keychain Alcohol Breathalyzer

Product Review Score

4.85 out of 5 stars

165 reviews

$69.99

BACtrack Go Keychain Breathalyzer for Alcohol Testing

BACtrack Go Keychain Breathalyzer

Bactrack

Product Review Score

4.62 out of 5 stars

50 reviews

$24.99

Portable keychain breathalyzers are a smart choice for anyone who enjoys a night out. They’re compact, lightweight, and fit right on your keyring, so you can carry one wherever you go. It’s peace of mind in your pocket, making it super easy to check your blood alcohol content before driving.

These devices are user-friendly and often just a quick breath away from getting an accurate reading. Many models come with a digital display, so you can see your results clearly and quickly. If you want to make responsible choices without hassle, a portable keychain breathalyzer is a must-have gadget.