Bluetooth Remote Control, Fingertip Bluetooth Camera Video Recording Remote Scrolling Ring, USB Charge, for Various Video App, Camera App and Book Reading App (Blue)

BT4.0 Connection: This phone remote control adopts stable BT4.0 connection, connect and use, providing stable and flexible control.
Ergonomic Design: This phone camera shutter also features ergonomic design that is fit for finger of different width.
USB Charge: This remote shutter can be easily charged via USB cable and interface. Wireless connection supports up to 32.8ft control distance.
Wide Application: This phone remote shutter is suitable for various video App, camera App and book reading App.
App Paging Turning: This fingertip video controller can help realize App page turning, and your give a like to video via twice press.