Description: Rechargeable: This counting ring is designed with a built-in battery that lasts approximately 100 days on a full charge for extra-long standby. Digital: This counter has a screen that can easily display counting numbers for a clearer understanding of the data making your life easier. Adjustable: This hand counter has 9 channels to record 9 sets of data at the same time you can switch channels according to your needs. Application: This counter can also be used to relieve your stress and tension relieve anxiety and relax your mood. Quiet: This electronic counter works with super silent buttons that make little noise when pressed and will not interfere with your counting. Specification: Material: ABS. Color: Black Battery: build-in rechargeable battery. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Hand Counter Ring. includes: 1 Piece Hand Counter Ring