Description: Long battery life: 72 hours of continuous power, a new generation of intelligent power control chip, low power consumption and more durable Dual mode operation This wireless remote control page turner has short video mode and cursor mode Ring design: ring design, comfortable to wear, realize the freedom of watching videos and reading novels Remote control: 10 meters remote control, stable connection, smooth operation, free your hands Functions: wireless link, one key return, remote lock screen, remote selfie,  video page turning, video likes, novel and comic page turning,applicable to a variety of mainstream video APP Specification: wireless version: Ver.5.3 Support protocol: EDR+BLE Transmitting power: classll(-6dBm~+4dBm) Frequency(Hz):2.40GHz~2.48GHz wireless transmission distance: 15 meters Charging interface: Type-C Input current: DC 5V Battery: 45mAh *1 Battery life: 72 hours Charging time: 30 minutes Material: ABS plastic Support APP: support mainstream APP Size Chart: 3cmx2.1cmx3.4cm/1.18inchx0.83inchx1.34inch Package Includes: 1 Piece wireless Remote Control Page Turner 1 Piece Type C Cable 1 Piece Manual Note: Please allow slightly errors due to manual measurement and different monitors.