1Finger Ring: This remote control ring is comfortable to wear, say goodbye to fatigue, Bluetooth V3 connection stability, smooth operation. 2Remote Page Turning: This ring controller is suitable for most left and right page turning electric book software or web pages, no need to operate manually, just press it. 3Dual Operation Mode: Short video mode and cursor mode. One key return function, one key photo, one key remote lock screen, no need to touch the phone, you can lock the screen. 4Cell Phone Holder Design: Charging compartment with cell phone holder function, compact design, you can enjoy watching drama in a simple, convenient and fast way. 5Large Capacity Battery: A new generation of intelligent power control chip with magnetic charging compartment, significantly improve the working time, working time up to 120 hours (with charging compartment).