product brand: AJAZZ Item model number: aj390 Image Sensor: PAW3338 Number of Keys: 7 Rate of return: 125Hz-1000Hz Accelerated speed: 40G Moving speed: 400IPS DPI Adjustable: 200-16000(6 gears custom settings) Support Operating Systems: for Windows 2000/XP/Vista/7/8/10 Material: ABS Cable Length: 170cm/66.9in