Computer Accessory Sets features: Doosl DSIT007 2.4GHz Rechargeable Powerpoint Presentation Wireless Cliker Remote Control Pen, Control Distance: 100m(White) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. 1. Wireless Presenter: page turning function can be easily operated by the four direction keys or Page Up/Down keys in PC keyboard. It fully supports PowerPoint, Keynote and Prezi Page. 2. 2.4G universal channel, 100m effective range, automatic frequency hopping technology avoids other RF signal interference. 3. Supports PageUp, PageDown, Full Screen & Blank Screen with details as follow: Click PageUp to turn to the previous page, click PageDown to turn to the next page. Press the PageUp and hold down to enter the full screen mode and repeat the operation again to exit the full screen mode. Press PageDown and hold down to enter the blank screen mode and repeat the operation again to exit the blank screen mode. 4. This wireless presenter is powered by 300mAh lithium polymer battery and comes with an universal Micro USB port. You can easily charge it via the USB port on PC or a mobile phone charger. 5. This wireless presenter supports auto standby function for long-time working and energy-saving purpose. In addition, it has a separate power switch and can avoid the current leakage when it is left alone. 6. Operation system: Windows 2003, XP, Vista, Windows 7/8/10, Mac OS, Linux, Android.