Specifications:
RF carrier: 2.4GHz
USB: USB 3.0 / 2.0 /1.0
Operation systems: Windows 2000, Me, XP, Vista, Win 7
Power: USB Charging
 

3-level power saving mode:
1) No action in 1 second - turn to rest mode
2) No action in 8 minutes - turn to sleep mode
3) Receiver unplugged or computer off - turn to off mode
 

Package including:
1 * Mouse

1 * USB receiver

1* USB Charging Cable