Item Type: Fingertip Video ControllerMaterial: ABSBT name: ATG SJLBuilt in battery: Lithium ion battery 20mAHApplication: Easy control of camera and short videos of your phone, including taking photos and videos, scrolling up or down and send similar videosHow to use:Start up mode: Press the button to start the machinePairing mode: The white light flashes after the device is turned on, the phone opens the BT search list, and selects the ATG SJL device for pairing. After the pairing, the white light will keep on for 15 seconds and then automatically turn off.Operation instructions: Press the button once to turn the page of the live APP (to view the next video), press the button twice quickly: like the video currently viewedPower off state (the following four conditions will enter the power off state), unpaired state power on for more than 90 seconds has not been paired; The product is too far away from the phone, resulting in continuous interruption of signal for more than 90 seconds; The phone actively disconnects BT for more than 0.5 seconds, and automatically shuts down after BT pairing and normal signal connection for more than 10 minutes without operation.Charging indicator: The green indicator is steady on during charging. The full light goes off automaticallyPackage List1 x Fingertip Video Controller1 x USB Cable1 x Instruction Book1ERGONOMIC DESIGN: Ergonomic smart wearing ring design provides you with the most comfortable wearing experience, can be used for a long time without getting tired. 2EASY TO USE: You can swipe videos while lying down, swiping while busy, sleeping during lunch break and other postures without feeling tired. 3WIDE APPLICATION: Can also be used to take photos, record video and vlogs and other various function, convenient for work and life. 4LONG BATTERY LIFE: The built in battery capacity of the 20mAh camera control can last more than 10 hours on a single charge, long lasting. 5SAFE MATERIAL: The fingertip video controller adopts ABS material, which can safely touch the skin for a long time, do not have to worry about any harm to your skin.