HP M150 1000/1600 DPI Infrared Optical USB Wired Gaming - Mouse: HP Gaming Mouse m150 (Black) [1QW50AA#UUF]Specifications:Connection TypeUSB WiredTracking MethodInferred Optical DPI (Min/Max)1000-1600 SensorSunplus 168A Number of Buttons6 Button press Distance0.8mm Button Press Force70g ± 5g Button