... 2 port 3. OEM service is provided 1.3D USB optical mouse, high resolution 1000DPI or 800DPI optional. with very cute ... 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, ... . for urgently case, welcome to contact us by phone. optical mouse G3015