Descriptions: 1.Easily view and post comments on short videos, with added support for web browsing, PPT page-turning, and movie playback control for a comprehensive upgrade. 2.Comes with a portable charging case offering extended battery life1.5 hours on a single charge, 5 additional charges from the case, and up to 82 hours total battery life. 3.Compact snap-buckle design, comfortable and easy to wear, completely freeing your hands, reducing eye strain, and offering extra comfort in winter. 4.Compatible with popular platforms and e-book apps, enabling remote control for scrolling, volume, pause, like, and more. 5.Remote selfies and video recording offer touch-free operation and greater freedom, delivering magic at your fingertips. Colors: Classic Black, Simple White Material: ABS + PC Plastic Battery Capacity: control 40mAh / Charging Case 400mAh Package/Product Dimensions: 78×78×30 mm Whats Included: Remote Control Ring ×1, Charging Case ×1, Type-C Cable ×1, User Manual ×1 Compatible Models: Bluetooth-supported iOS/Android phones and tablets,computers