Rapoo Mouse, Laptop, Lifestyle Everyday Use, Connection Wireless, Bluetooth, Maximum Resolution 1300 DPI, On-Device Control Type: Buttons, Model Series: M100, OS Name & Version: Windows XP/Vista/7/8/10, Additional Smart Switch Between Bluetooth 3.0/4.0 and 2.4 GHz, Bluetooth Supported, Bluetooth 3.0, Standard Battery Life: 9 Months, Red, Warranty 2 Year. The smart switch between Bluetooth 3.0, 4.0 and 2.4G ensures stable wireless transmission. You can still use your mouse regardless of USB port shortage