Long Distance Operation - Take photos even when you are from your device. Operational up to 30ft, 10M Portable in your pocket: the remote control is very small and , so it is convenient to carry it with you Briefly press the button to start. The white light flashes after power on, the mobile phone opens the Bluetooth search list, selects the -SJL device for pairing, the white light is always on for 15 seconds after the pairing is completed, and then automatically turns off Short press the button once to turn the live app page (see the following video), quickly press the key times: as the current video Free your hands, make your life more comfortable and happy Bluetooth version: 4.0 Battery capacity: 25 mAh. Endurance time: 10h Colour: Blue Material: ABS Size: 20 x 20 x 23mm Package Contents: 1 x Bluetooth fingertip remote control 1 x USB charging cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.