Features: 1.One Button Remote Control: The phone remote control ring can easily control the page turning, and the electronic book can be turned up, down, left, and right. 2.Support Various Mainstream App: The phone bluetooth remote control ring supports various mainstream apps, making it easy to use and fun to experience. 3.Support Mainstream Short Video App: Phone bluetooth ring remote control supports multiple mainstream short video apps, beauty camera and novel apps. 4.No Need to Lift Your Arms: Bluetooth remote control page turner makes reading more comfortable, suitable for most mainstream reading and comic book apps. 5.One Button Remote Control: The phone remote control ring can take photos, videos, take full body photos, and multiple people can take photos together. 6.Bluetooth 5.3: Mobile phone bluetooth remote ring remote controller adopts Bluetooth 5.3 technology for stable connection. specification:Item Type: Phone Remote Control Ring Product Material: ABS Weight: Approx. 65g / 2.3oz Battery Type: Lithium Battery Ring Battery Capacity: 50mAh (Included) Bluetooth Version: V5.3 Usage Duration: Lasting For About 48 Hours Support APP: Support Mainstream APP Functions: Selfie, Likes, Page Up, Down, Left, Right, Volume Up And Down Support System: for IOS 15.0, for Android 8.0 Or Above PackageList: 1 x Remote Control 1 x Manual 1 x Charging Cable