Multifunctional smart phone Bluetooth remote control Remote control selfie/ video page turning/video like/novel, comic page turning Bluetooth link, one-key return, dual-mode operation, remote lock screen, remote control, remote selfie 10-meter remote control, swipe as you want, free your hands Ring ring, comfortable to wear, say goodbye to fatigue, realize the freedom of swiping videos/reading novels Dual-mode operation mode Short video mode/cursor mode One-key return function returns to the without waiting One-key remote lock screen Lazy artifact, no need to touch the phone, you can lock the screen Remote photo taking, 10 meters away, super long selfie photo taking, no need to ask for help Remote page turning, read faster Applicable to most left and right page turning e-book software or web pages 72 hours of uninterrupted power, of intelligent power control chip, low power consumption and more Bluetooth version: V5.3 Bluetooth chip Input power: DC-5V Battery capacity: 50mAh Use time: continuous use for about 72h Supported APP: Support mainstream APP Colour:Black Material:plastic Package Contents: 1 x Bluetooth wireless remote control Only the above package content, other products are not included. Note: Light reflection 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.