1.3D optical mouse, 1000DPI. 2. support both USB and PS/2 port ... can use for laptop 1.3D wired optical computer mouse, 3D optical mouse, high resolution 1000DPI or 800DPI optional. with very ... we are the real factory for the mouse, we have more than 100 models mouse for selling now, and new models ... 1% spare parts. if you have interesting on our mouse, please contact us by trader manager or by Email, ...