Laser pointer with trackball mouse with RF line remote control design
Laptop Accessory Electronic Ltd. [China] 
Detailed Product Description
1.Wireless /RF technology
2.Laser power:<5mw
3.Laser wave length:650mn
4.RF frequency:2.4 GHZ/315MHZ/433MHZ
5.Trackball resolution:4000p
6.Remote control distance:>15m
