"Professional Portable Mini Keychain Breathalyzer with LED Digital Display - Accurate Pocket Alcohol Tester for Personal, Office, Car & Party Use - Fast & Reliable BAC Detection - Compact & Lightweight (Black)" (Note: This optimized title maintains c

Features:

Portable and Convenient Keychain Breathalyzer: This mini keychain breathalyzer is lightweight and compact, making it easy to carry and use anytime, anywhere.

Accurate and Reliable: Equipped with ASIC chips, this professional small keychain breathalyzer provides precise alcohol testing results for personal and professional use.

Clear LED Display: The led digital display on this pocket keyring alcohol tester allows for easy reading of alcohol levels, ensuring quick and accurate results.

50 Sets Data Storage: With the capacity to store 50 sets of data, this breathalyzer allows you to track and monitor your alcohol consumption over time.

Contactless Blowing: This alcohol tester features contactless blowing technology, making it hygienic and convenient to use, especially in party settings.

Specifications:

Sensor type: Semiconductor sensor

Display: LCD liquid crystal display

Case Material: ABS plastic

Test range: 0.000-0.199%BAC

Measurement mode: Quick check, automatic detection

Measurement time: 20 seconds

Power supply: Built-in rechargeable polymer lithium battery

Battery: 3.7V 120MAH 

Power supply: Type-C charging interface

Working temperature: 0-45℃

Warm-up time: 10 seconds

Blowing time: 10 seconds (usually 3-4 seconds)

Reaction time: