Feature: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 RingProduct Material: ABSWeight: Approx. 65g / 2.3ozBattery Type: Lithium BatteryRing Battery Capacity: 50mAh (Included)Bluetooth Version: V5.3Usage Duration: Lasting For About 48 HoursSupport APP: Support Mainstream APPFunctions: Selfie, Likes, Page Up, Down, Left, Right, Volume Up And DownSupport System: for IOS 15.0, for Android 8.0 Or Above.Package List:1 x Remote Control 1 x Manual1 x Charging Cable