GREENWON Keychain Breathalyzer with LCD Display

The GREENWON Keychain Breathalyzer is a must-have for anyone who wants to keep track of their alcohol consumption on the go. It's compact and lightweight, making it super easy to carry with you wherever you head out. Just attach it to your keys, and you’re set! The bright LCD display shows your blood alcohol concentration clearly, so you won’t have to squint or guess. Just a quick blow, and you’ll know if you’re in the safe zone or if it’s time to call a cab.

This little device is user-friendly and accurate, ensuring you get reliable results in seconds. You don’t have to be a pro to operate it—simply turn it on, wait for the beep, and blow into the mouthpiece. It's that easy! Plus, it’s perfect for parties or bar nights, giving you peace of mind and helping you make informed decisions. With the GREENWON Keychain Breathalyzer, you’re in control of your fun, and you’ll never have to wonder if it’s okay to drive home after a night out.