Features: Experience effortless counting with the rings Counter, a portable and wearable device that offer quiet touch operations, Bluetooth-compatible syncing for real time data updates, and vibrations alerts to enhances productivity without distractions. Featuring an ergonomic design, Type C fast charging, and counting up to 9999, this digital counter rings ensures low power performances for accurate tracking in any environment. Ideal for fitness enthusiasts, warehouse workers, religious practitioners, and individuals, this Bluetooth-compatible counting rings simplifies daily tasks like tracking, customer interactions, or meditation counts. Perfect for quiet settings such as libraries, conferences, or outdoor activities, it supports scenarios like monitoring water intakes, recording work statistics, or managing exercise routines with handfree operations. Elevates your routine with this compact wearable counter that integrates advanced technology for seamless, efficient counting, making it a versatile tool for personals and professional use. Specifications: Component: Plastic Size: 18mm/20mm/22mm Color: Black,Green Bluetooth-compatible:Support Screen: LED, 0.41inches rings battery: 35-40mAh Charging interfaces: Type C 5V Standby time: 30 days Package Includes: 1Piece Digital Counter 1Piece Charging Cable note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.