1.3D USB optical computer mouse, 1000DPI. 2. support both USB and PS/ ... port 3. OEM service is provided 1.3D USB optical computer mouse, high resolution 1000DPI or 800DPI optional. with very ... with 1.2m wire, can be used for both desktop computer and laptop.3. support PS/2 and USB port. ... charge if you need this service.7. support white box, small colour box package, blister package, gift package, or what ...