Bluetooth 3 Keys Remote Finger Ring Video Controller Novel Page Flip Photo Tool(Black)

1. Material: ABS plastic2. Bluetooth version: 5.03. Connection distance: about 10m4. Battery capacity: 25mAh5. Charging interface: Type-C6. Functions: self-timer, like, page up and down, volume up and down7. Duration of use: about 8 hours8. Compatible with most of the smart phones, more convenient to use9. Stable connection, no need to lift your hand to contact the screen to control the phone remotely10. Size: 30 x 28 x 13mm11. Weight: about 4.3gNote: delivery only controller, does not include other items in the picture