1. Low power:Low power consumption, long battery life. It charges for two hours and works continuously for about 48 hours. 2. Like / lock screen in the air:Scroll a short video, remotely controllable double click at will, you can lock the screen with a key at any time! It supports switching songs and videos, and supports fast and fast rewinding of various video apps. 3. Remote Page Turning:For novels / comics / e-books, you can easily turn pages remotely without lifting your arms, making reading more comfortable, suitable for most traditional reading / comic apps. 4. Free your hands:Remote control, used in many occasions: Remote video / chasing drama, Selfie, video recording. The ring controls the artifact, which can take full body / multiple people photos together, one button remote control and 10 meters remote control distance. 5. Smart Wearable Design:The ergonomic design of the ring allows you to do it comfortably, it is a perfect gift for birthday, valentine's day, etc. Compatible with traditional apps on the market (short videos, cameras, novels, etc.), portable and lightweight, it is the best partner for the lazy. Support App: Yes Product Colour:black Bluetooth compatible version: V5.3 Support protocol: EDR BLE Transmitting power: class ll (-6dBm - 4dBm) Frequency: 2.40GHz-2.48GHz Bluetooth compatible transmission distance: 15m Charging interface: Type-C Input current: DC 5V Battery: 1X50mAh Battery life: 48 hours Charging time: 30 minutes Colour:Black Material:Plastic Package Contents: 1x Fingertip Button Remote Control