Features: brand new and high quality Comes with 200mAh charging compartment: Small body, large capacity, long battery life. Charging for two hours, the ring can continue to work for about 6 hours once charged, and the ring can be charged 5 times when the charging compartment is fully charged. Buttons: You no longer need to swipe videos on your phone with your fingers. This Bluetooth-compatible remote can scroll videos, double tap to like, pause, and play. Using the video will be easier, you can use it with the phone holder, or just fix the phone where you want, no need to touch the phone again, free your hands! Like/lock screen in the air: Like short videos, swipe short videos, remotely controllable, double-click to like, you can lock the screen with one click at any time! Support up and down song switching. Support various video apps to fast forward and rewind. Remote control, use in multiple occasions: Remotely brushing videos, chasing dramas, taking selfies, and recording videos without trouble. Ring control artifact, say goodbye to sore arms. Full body photo/multi-person photo, remote one-key control, 10 meters remote control. Support mainstream APPs: Compatible with mainstream APPs on the market (short videos, cameras, novels, etc.), portable and lightweight, it is the best partner for lazy people. Specifications: Style: D01 1st gen, D01PRO 2nd gen (optional) Color: White / Black / Pink/(optional) Bluetooth-compatible version: 5.0+EDR Battery: Charging compartment 200mAh + ring 25mAh Charging time: about 1h for the ring / about 2h for the charging compartment Charging box: approx. 41.9x41.9x21mm/1.65x1.65x0.83in Package Includes: 1 X Ring Remote Control with Charging Case 1 X Data Cable note: 1st Gen (D01) for short video remote control; E-books Flipping ; PPT page turning; selfie ; lock screen.!!! 2nd Gen (D01 Pro) has the same functions as 1st Gen. Adds music control (pause/play/up and down) and phone control (answer/hang up/reject).!!!