[CONVENIENT USB CHARGING] Enjoy up to two months of use on a single charge with the built-in 320mAh lithium battery, easily rechargeable via Type C port, eliminating the need for constant battery replacements. [USER-FRIENDLY OPERATION] Simply blow into the tester for a few seconds, wait for the display, and view results on the color LCD screen that intuitively indicates alcohol content levels through color coding. [MEASUREMENT FLEXIBILITY] Monitor your alcohol intake with six measurement units, including %BAC and mg100ml, catering to your personal preferences and requirements for an informed experience. [COMPACT AND PORTABLE] Its mini design fits perfectly in your pocket or wallet, making it an essential companion for events and gatherings while conserving battery life with automatic shutdown. [FAST RESPONSE AND HIGH ACCURACY] Experience quick and precise blood alcohol concentration readings with our professional alcohol tester, utilizing advanced semiconductor sensors for reliable results at home or .