Voltage: 1.5V Current Type: DC Stream: 25mA Connector: USB 2.0 Dongle Optical Sensor: FCT3065 DPI Resolution: 800/1200/1600 DPI Button Durability: 3 Million Clicks Response Time: 5ms Max. Acceleration: 10G Plug and Play: Yes Battery: 1x AA 1.5V (Not Included) Buttons: 2 Buttons + Scroll Wheel Compatibility: Windows 7 / 8 / 10 MacOS Warranty: 1 Year Parts & Labor Dimensions: 4.09 x 2.60 x 1.57 in Weight: 0.19 lbs +- 0.0011 lbs (without battety)