1.3D USB optical computer mouse, 1000DPI. 2. support both USB and PS/2 port 3. OEM service is provided 1.3D USB optical computer mouse, high resolution 1000DPI or 800DPI optional. with very cute design and good quality.2. with 1.2m wire, can be used for both desktop computer and laptop.3. support PS/2 and USB port. can adjust the colour according to your demand.4. very comfortable touch feeling, ...