Product name: Intelligent ring roll counter Product size: 3*2.5CM/1.19*0.99in Product color: Black, pink, green Product weight: gross weight about 50g Description: 1. Start counting by rolling your thumb down Roller smooth, quiet operation 2. OLED HD screen Full screen light is very clear to see the figures 3. Adjustable size The ring can be adjusted in three gears, which is convenient and practical. The first gear is 18mm, the second gear is 20mm and the third gear is 22mm 4. Charge TYPE-C Endurance, no need to worry about a charge of standby for 3 months 5. Intelligent digital display: The counter can have intelligent digital display function, which can accurately display the counting result, facilitate the user's counting operation, and support the billing function, provide long-term use, and enhance the intelligent characteristics of the product. Attention: 1. Due to different display and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you very much! 2. Please allow measurement deviation due to manual measurement.