2.4G RF Wireless Optical Mouse, 
Working distance 10 meters
Nano receiver built-in the mouse,plug & play
Intelligent Power saving Technology
Nice different colors by free selection 
Size: 102x62x34mm
 

material: ABS plastic
Resolution: 1000 dpi
Information:  2.4G wireless optical mouse
Battery:  alkali bettery AA*1pcs
Compatible with Windows 95/98/NT/ME/2000/XP/X7/X10
specification(m):   102*62*34 mm
specification(r):  Built-in USB nano receiver
outer packing   655*475*335mm
packaging  40PCS/CTN
G.W. 12