Specifications Type:XYH80 Mouse Size: 128.5×67×38 mm(±3mm)/5.06×2.63×1.5in(±0.12in) Mouse Net Weight: 65g(±3g)/2.29oz(±0.11oz) Number of Buttons: 6 Polling Rate: 125Hz/250Hz/500Hz/1000Hz DPI Adjustment: 800-3200(4 default level:800/1600/2400/3200, can be customized) Note:The higher the DPI, the quicker the Mouse Cursor Movement Supported Operating Systems: Windows 2000/XP/VISTA/7/8/10&MAC Mouse Feet Mat: 4(each one is covered by a piece of plastic which can be ripped off for better movement) Package List 1 * Mouse 1 *USB cable 1 *User Manual