Model: M2SType: KeyboardFeatures: Mini、 SlimColor: WhiteSystem support: Windows 7、 Windows Vista、 Linux、 Android、 Windows 2000、 Windows XPInterface: WirelessConnection: USB2.0Receiver: WithOperating Voltage: 3VOperation Current: 50mASleep Current: 1mATransmit Range: 10 mPackage weight: 0.184 kgProduct Size (L x W x H): 14.7 x 9.8 x 1.9 cm / 5.8 x 3.8 x 0.7 inchesPackage Size (L x W x H): 18.0 x 10.4 x 2.8 cmPackage Contents: 1 x Keyboard、 1 x Receiver、 1 x User Manual