Features: These digital finger counters are made-of quality plastic material, durable and odorless, has good texture, lightweight and can serve for long-time use. This digital counter with 6-digit screen display, it can count number from 000000-999999. With built-in bluetooth-compatible, counter ring is easily connected-to the app-. Counter ring is equipped with a high capacity battery for days-of normal use. It can be-charged anywhere, any for time-via a USB- cable to an adapter, powerbanks or computer. The lap counter clicker is a great for keeping track of scoring in sports, counting lap, number of guests, attendance, knitting and other event. Specifications: Material:ABS Color:Gray,Red,Yellow,Purple Size:Approx.2.5x3cm/0.98''x1.18'' Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Counter 1x USB Cable