About This

• 【Easy To Read LCD Display】With the LCD display, it is easy to read even in less than optimal light conditions.
• 【Easy To Use】 Turn on the power button of the product, wait 15 seconds for the warm-up time, then blow evenly for 10-15 seconds, the result will be displayed on the LCD screen with in 5 seconds.
• 【Convenient To Carry】 This product is designed to be very small, easy to carry, can be placed in the pocket, can also be placed inside the bag, does not take up space.
• 【12 Easy to Wear Mouthpieces Included】It comes with 12 individual mouthpieces. The mouthpieces can be cleaned and reused.
• 【After-sales service】 If you have any questions about the product, you can contact us at any time, we will solve the problem for you in the first time.