... quality 3, competitive price 4, OEM is welcome 5, fast delivery Optical Mouse GI-M1000:1. 3D wired optical mouse. Advanced ... optical engine2. Interface: can make PS/2, USB, Retractable, U+P(combo)3. Resolution: ... also can change for you4. Key lifetime up to 3,000,000 times, roller lifetime up to 500, ... -definition optical tracking (1200DPI). computer usb wired mouse