FirstSing FS01004 3D Optical Mouse
* 3D optical mouse
* USB use 100% new 8731 / 8721 / 2636 / 84521+8620 chipset
* All the price is base on 1.35M USB connector ,100% new IC
* we have professinal design tem,believe us is your best choice,if you have any doubts or if you need any information,pls don't hesitate to contact me.