Fangrui Product Details 1. Touch Counting, Traditional Key Counters For Long-term Use Of Finger Pain. The New Touch Screen Counter, Touch Sensitive, Just A Gentle Touch Can Be Complete The Counting Function. 2. Oled Large Screen Four-digit Display, (does Not Show The Time). With Night Vision Function, Even During The Daytime Bright Light, Still Clear View Of The See The Homework Data At A Glance. 3. The Appearance Of Simple And Elegant, Highlighting The Fashion Atmosphere, Regardless Of Leisure Whether Casual Attire, Or Common Training Occasions, Are Decent And Eye-catching. 4. Deep Waterproof: Wear To Wash Hands, Play In The Water, Rain Are Not Afraid Of, The Counter Has A Waterproof System. The Counter Has A Waterproof System To Effectively Protect The Counter From Water. 5. Lock Screen Button: 15 Seconds Use The Automatic Lock Screen, Restart Just. You Need To Click The Counting Part Three Times To Wake Up The Counting, Lock Screen Button To Avoid Accidental Operation, So You Can Rest . Please Note:the Physical Slightly Col