FD 2.4G Wireless Optical Silent Mouse.

- Wireless data transmission: 2Mbps

- Engine: Optical

- Distance: 20M

- Working VOLTAGE: 1.5V

- Working current: 12mA

- Lifetime of mouse key: over 3 million times

- DPI: 1000 - 1200 - 1600 - 2400

- Rate of return: 500Hz

- Battery: AA alkaline battery (1 pc)