Description\uff1a100% brand new，New high qualityBluetooth 3.0 Technology:No wire，no receiver，you can get up to 10 meters transmition distance with bluetooth technology.Up to 6-month battery life:With Rapoo's latest energy saving technology and power switch， you can use your mouse without power interruption for up to 6-month.1000 DPI high-definition tracking engine:You'll enjoy responsive and smooth cursor control with the 1000 DPI high-definition tracking engine.system RequirementsWindows XP\/ Vista\/ Win7\/Win8with Bluetooth functionUSB portMac OS X 10.4 or laterCompatible with Windows8Size:98.5x62.0x41.5mmDPI:1000DPIWorking voltage: 1.5 V ，AA battery x2Bluetooth protocol standard: bluetooth 3.0Package included :1 x wireless mouse1 x USB Receiver1 x Operation instruction2 X AAbattery