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

BACtrack Go Portable Keychain Breathalyzer - White

BACtrack Go Keychain Breathalyzer

Bactrack

Product Review Score

4.98 out of 5 stars

45 reviews

¥3,881

Breath Pearls Original Breath Freshening Softgels

Breath Pearls Freshening Softgels

Product Review Score

4.58 out of 5 stars

223 reviews

¥1,241

BACtrack Go Keychain Breathalyzer - Compact and Portable

BACtrack Go Keychain Breathalyzer

Bactrack

Product Review Score

4.92 out of 5 stars

129 reviews

¥5,590

BACtrack Go Keychain Breathalyzer - Black (2 Pack)

BACtrack Go Keychain Breathalyzer 2-Pack

Bactrack

Product Review Score

4.38 out of 5 stars

58 reviews

¥11,802

BACtrack Go Keychain Alcohol Breathalyzer Tester

BACtrack Go Keychain Breathalyzer

Product Review Score

4.52 out of 5 stars

21 reviews

¥9,362

Digital Keychain Alcohol Breath Tester with LCD Screen

Keychain Digital Breath Tester

Product Review Score

4.44 out of 5 stars

153 reviews

¥2,000

Green Keychain Breathalyzer | Ultra-Portable Alcohol Tester

Portable Green Keychain Breathalyzer

Product Review Score

4.57 out of 5 stars

30 reviews

¥6,211

Portable Keychain Breathalyzer with LCD Display

Keychain LCD Breathalyzer

Product Review Score

4.29 out of 5 stars

166 reviews

¥3,103

Purple Keychain Breathalyzer | Ultra-Portable Alcohol Tester

Purple Keychain Breathalyzer

Product Review Score

4.31 out of 5 stars

188 reviews

¥9,041

Portable Mini Breathalyzer for Smartphones - No Contact

Smartphone Mini Breathalyzer

Product Review Score

4.9 out of 5 stars

70 reviews

¥2,266

BACtrack Go Pocket Breathalyzer Keychain (Black)

BACtrack Go Keychain Breathalyzer

Bactrack

Product Review Score

4.49 out of 5 stars

112 reviews

¥9,934

50 Pack Portable Alcohol Tester Mouthpieces for AT6000

Portable Alcohol Tester Mouthpieces

Product Review Score

4.98 out of 5 stars

88 reviews

¥777

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.