EPSK-010 Bluetooth 5.1 Phone Camera Controller Selfie Remote Control Ring

1. Material: ABS
2. Bluetooth 5.1, 10 meters max connection distance
3. Built-in 30mAh lithium battery, can work continuously for 8 hours, standby for 100 hours
4. Button life: more than 10,000 times
5. Size: 25x23x35mm