If you're sick of losing the USBreceiver or running out of USB port, It's time for you to upgradeto Bluetooth optical mouse. The BluetoothMouse come with built in rechargeable battery and you no longerneed toworry about running out of battery. In addition,you still able to use the Bluetooth Mouse while charging. Thismouse is fully compatible with all Bluetooth 3.0 or earliercomputers, laptops, for Macbooks and tablets.SystemRequirements:Hardware:Bluetooth-enabled computer system1 available USB port for chargingOperating System:Windows XP, Vista, Windows 7, 8, and 10MacOS 10.4.6+Package Content:Rechargeable Bluetooth Mouse (rechargeable batteryincluded)Quick User GuideUSB charging cableTransparent gift box a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a