Optical Wireless Mouse Brand New ?

Wireless 2.4 Ghz RF Laser Optical Mouse iMouse Mac Pro Air Windows XP 7 1 for 5 10 for 45 20 for 80 2.4GHz free moving in 10 meters Nano reciever hidden in the Mouse buttons Built-in energy saving system Elegant and ergonomic Design Scroll easily in any direction - Comfortable in using - Low-voltage alarming function Specifications - Wireless carrier frequency:2402MHz - 2480MHz - 16 wireless working channels, automatic frequency jumping - USB 2.0 - 2.4GHz wireless transmission - Compatible with Windows and Mac OS - Mice size : 105 x 20 x 55 mm - Receiver size: 18 x 14.5 x 6.5 mm - Mice Weight : 65g - Receiver Weight : 10g