Material: Wireless Remote Control Page Turner is made of quality PP material. wear resistant and has a long service life.Ring Shape: Our Remote Control Page Turner adopts ring design. that is small in size. light in weight. easy to wear. comfortable to wear. and ergonomically designed.Function: This Finger Remote Control Ring can click on the screen. turn pages up and down. take selfies. recording video. etc.Ring Remote Control: Portable Finger Remote Control can be connected quickly. has stable performance. can your hands. and the remote control distance can reach 10m.Widely used: The multi function Scrolling Button Ring Fingertip can be used for remote photography. page turning control. video fast forward. pause. etc. Specification: Battery capacity: 50mahVersion: V5.3Use time: about 48h continuous useInput power: DC 5VCommunication distance: 10 metersProduct functions: selfie. like. page turning. page down. page left and right. volume increase and decreaseMaterial: ABS Size Chart: 3.15cmx1.79cmx3.1cm/1.24inchx0.70inchx1.22inch Package Includes: 1 Remote Control Page Turner1 USB Cable1 Manual Note: Please allow slightly errors due to manual measurement and different monitors.