Func REVISION 2 USB Wired Laser Gaming Mouse (FUNC-MS-3-R2) Sensor: Avago ADNS 9500 (Laser) Memory: 512 kB (onboard) Resolution: 90-5670 DPI Tracking Speed: 5.1 m/sec (150 ips) Image Processing: 10.6 Megapixels/sec Connection: USB (Gold-plated, 2m braided cable)