More Personal Breathalyzers:
AMAZON | EBAY


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

Professional Portable Breathalyzer with High Accuracy

High Accuracy Portable Breathalyzer

Product Review Score

4.73 out of 5 stars

15 reviews

$130.46

Kodrily Keychain Alcohol Breathalyzer with LCD Screen

Kodrily Keychain Breathalyzer LCD

Product Review Score

4.34 out of 5 stars

89 reviews

$8.39

Compact Keychain Breathalyzer - Perfect for On-the-Go

Keychain Breathalyzer - Go Anywhere

Bactrack

Product Review Score

4.57 out of 5 stars

165 reviews

$29.95

Silicone Cover for C6 Keychain Breathalyzer - Light Blue

Light Blue Silicone Cover

Product Review Score

4.73 out of 5 stars

175 reviews

$9.99

Portable LCD Alcohol Breathalyzer Keychain Tester

Keychain Alcohol Breathalyzer

Geartronics

Product Review Score

4.49 out of 5 stars

97 reviews

$5.88

Portable Keychain Alcohol Breathalyzer with High Accuracy

Keychain Alcohol Breathalyzer

Product Review Score

4.67 out of 5 stars

54 reviews

$79.99

Keychain Breathalyzer - Compact Alcohol Tester for Travel

Keychain Alcohol Breathalyzer

Product Review Score

4.25 out of 5 stars

22 reviews

$14.96

Professional Alcohol Breathalyzer with 8 Mouthpieces

8-Mouthpiece Professional Breathalyzer

Product Review Score

4.32 out of 5 stars

159 reviews

$23.99

BACtrack Keychain Breathalyzer - Ultra Portable Device

BACtrack Keychain Breathalyzer

Product Review Score

4.67 out of 5 stars

172 reviews

$63.99

BACtrack Go Keychain Breathalyzer - Ultra-Portable Alcohol Tester

Portable Keychain Breathalyzer

Bactrack

Product Review Score

4.86 out of 5 stars

197 reviews

$29.95

Keychain Alcohol Breathalyzer and Blood Alcohol Detector

Keychain Alcohol Breathalyzer

Product Review Score

4.88 out of 5 stars

209 reviews

$9.95

AUTOWOEL AI Keychain Breathalyzer with Voice Alerts

AI Keychain Breathalyzer Alerts

Product Review Score

4.2 out of 5 stars

100 reviews

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.