Interface: Bluetooth Ver 1.2 Class2
Frequency range: 2.402GHz~2.480Ghz
Connector: PC Card TypeII (charging)
Range: Up to 10 meters
Buttons: 2
Optical sensor
Operation time: 5 hours continuous, 178 days standby
Size: W54 x D87 x H5mm
Weight: 40g.
Supported OS: Windows Vista, XP