Features: 1.Smart Ring Wear Design: The Bluetooth remote enables you remotely control your phone APP, no longer need to constantly slide the screen up and down with finger when watching short videos or reading novels. 2.Wide Compatibility: Bluetooth 5.3 technology, stable connection, support system for IOS 15.0 and for Android 8.0 and above, support major smartphone APPs. 3.Long Distance Connection: Can take full body photos, family photos, selfie or video by yourself no matter where you are, eliminates awkward pose when take group picture, and prevents phone from dropping when snap a selfie with one hand. 4.Charging on the Go: Comes with its own charging compartment, this remote control ring can last about 48 hours after full charging, practical and durable. 5.Comfortable to Use: With ergonomic smart ring design, giving you the most comfortable wear, keep your hand free to give lay on the bed, cook, or enjoy the remote entertainment. specification:Item Type: Remote Control Ring Material: ABS Weight: Approx. 86g/3.0oz Battery Type: lithium battery Ring Battery Capacity: 50mAh (included) Charging Case Battery Capacity: 200mAh (included) Bluetooth Version: V5.3 Duration: about 48 hours APP Support: Mainstream apps are supported Product Functions: Selfie, like, page up and down, left and right, volume up and down Supported System: for IOS 15.0 and for Android 8.0 or higher PackageList:1 xRemote Control Ring 1 x 1 x Charging Case 1 x Charging Cable