Product Name: Touch-type App Counter, Ring Type Charging Intelligent Digital Display Manual Electronic Counter, Finger Counter Product colors: black, rose gold, green Product material: ABS+ silicone Description: 1. Adjustable in size The ring can be adjusted in three Settings, which is convenient and practical. The first setting is 18mm, the second is 20mm, and the third is 22mm 2. The touch key counting is precise The finger-fitting silent touch keys are pressed no matter how hard you try and never get tired Touch the keys for an unlimited number of counts 3. Smart APP: Keep track of the smart APP link at all times, with real-time synchronization and easy control Health code 4. Reversible screen rotation Double-click the button and the screen will rotate 180 degrees 5.TYPE-C charging It has a long battery life. You don't need to worry about it standing by for 3 months after a single charge. The type-c charging interface is equipped with a 120MAH rechargeable battery Note: Due to different display and light effects, the actual color of the item may slightly differ from the color shown in the picture. Thank you very much! 2. Please allow for measurement deviations caused by manual measurement.