PORTABLE PRESENTER REMOTE- Finger ring design is practical, perfect fix your hand and no misplace your presenter clicker anymore.<br> PLUG & PLAY- No need to install software, just plug into the USB, presenter For PowerPoint support page up, page down, black screen, full screen.<br> RIGHT LIGHT & LONG CONTROL RANGE- Bright red light that is easy to see against most backgrounds; For Powerpoint remote control range is 98 FT, Light Distance is 328FT,so you can free to move around the room and interact with your audience.<br> WIRELESS PRESENTER SUPPORT- FOR Windows 2003/XP/Vista/7/8/10, FOR OS, FOR Linux, FOR Android; Supported software: For PowerPoint, FOR Google Slides, FOR (Keynote & Numbers & Pages), FOR Prezi, FOR , Excel, ACD See, Website, etc.<br> RECHARGEABLE PRESENTER CLICKER: Built-in 120MAH battery, with 1 hour fast charging time, support half month using, support auto sleep function to save energy.<br> Light Color: Red<br> Radio frequency:2.4GHz<br> Light Class: <br> Light output power:Less than 5MW<br> Working Voltage: 1.5V<br> Built-in 120mAh Lithium battery- by USB cable<br> Light Distance: Up to 100m (328ft)<br> Remote Control Range: Up to 30m (98ft)<br> Colour:black<br> Material:soft plastic<br> Size:43 x 34mm<br> Package Contents:<br> 1 x Wireless Presenter Remote Control<br> 1 x Wireless Receiver<br> 1 x USB Charging Cable<br> 1 x Pouch Case<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.