Features:<br> USB rechargeable.<br> High sensitivity, stable performance.<br> No need to install software, easy to use.<br> Support for Windows-MAC Linux-Android operating system.<br> PPT presentation clicker supports flip up, flip down, black screen, full screen, which can meet most presentation needs.<br> <br> Specifications:<br> Material: ABS, Metal<br> Frequency: 2.4GHz<br> <br> Note:<br> Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br> Package includes:<br> 1x Wireless Receiver<br> 1x Finger Ring<br> 1x Charging- Cable<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store