Feature: 1. Bluetooth 5.3: Bluetooth remote control page turner adopts Bluetooth 5.3, which is easy to use, easy to match and stable operation. 2. Support APP: Phone Bluetooth ring remote control supports many kinds of mainstream short video APP, beauty camera, novel APP 3. Easy Page Turner: Cell phone camera shutter remote can easily turn the page remotely, one key remote control, enjoy the comfort. 4. Ergonomic Design: Smart finger remote is suitable for different width fingers, charging port facing outward, indicator light to the right. 5. Remote Control: Smart finger remote can be remotely controlled by 10m, easy to point and click over the air, more fun to play with your phone. 6. High Performance: Bluetooth button clicker is compact, large capacity, low power consumption, long battery life, charging 2H, continuous working 48H. Specification: Item Type: Phone Bluetooth Ring Remote Control Material: ABS Bluetooth Version: V5.3 Bluetooth Chip Remote Control Distance: Approx. 10m/32.8ft Battery Type: Polymer Lithium Battery, Battery Capacity: 50mAh (Included) Transmit Frequency: 2.4GHz-2.4835GHz Applicable Systems: Video, Reading, Selfie Remote Control. Package List: 1 x Phone Bluetooth Ring Remote Control1 x Instruction Manual1 x USB Cable