... USB optical mouse of computer , 1000DPI. 2. support both USB and PS/2 port 3. OEM service is provided 1.3D USB optical mouse, ... with 1.2m wire, can be used for both desktop computer and laptop.3. support PS/2 and USB port. ... 1% spare parts. if you have interesting on our mouse, please contact us by trader manager or by Email, ... . for urgently case, welcome to contact us by phone. optical mouse G3015