Description: Long Distance Operation: Take photos even when at a distance from your device. Operational up to 30 ft, 10M Portable In Your Pocket: The remote is very small and lightweight, so it is convenient to carry with you Short press the button to boot. The white light flashes after power-on, the mobile phone opens the Bluetooth search list, selects the ATG-SJL device for pairing, the white light is always on for 15 seconds after the pairing is completed, and then goes out automatically Short press the button once to turn the page of the live APP (view the next video), press quickly the key twice: Like the current video Free your hands, make your life more convenient and happy Specification: Size: Approx. 20x20x23mm/0.78x0.78x0.90inch Material: ABS + Silicone Bluetooth version: 4.0 Battery capacity: 25mAh Weight: 4g Time of Endurance: 10h Package Includes: 1 x Bluetooth fingertip remote 1 x USB Charge Cable Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.