Version 2.0 class 2Range of frequency:2.4GHz SpectrumOperate Voltage:2.4-3.0VDC(Powered by AAA batteries)Operate current:<15mA(on white paper)Standby Current:3-5mASleep Current:<100uARange:  Up to 10meterSize:   93*52*33mmWeight: 50g

Bluetooth Mouse, wireless mouse, 3D mouse, computer mouse