Microdigit MD201M Wireless Optical Mouse offers superior accuracy and control. Featuring a stable wireless connection with a range of up to 10m, it provides power-saving performance with a single AA battery. This ergonomic design is comfortable for use during extended gaming sessions. Features:————Operating force of mouse buttons : 7020gfOperating force of browser switches : 7020gfOperating force of wheel scrolling : 2510gfMouse : 3 buttons with scroll wheelSize: 102.5*64*37mmReceiver Size : 19*14.5*6.5mmWeight : 45g Electronical Specification:———————————Interface : USB 2.0Sensor report rate on mouse : 3500 frames/secOperation angle : 360Operation distance : 8 to 10 meterSensor light on mouse : Red LEDReceiver power requirement : 5V DC for USB portFrequency : 2.402-2.480GHzResolution : 1600DPISensor tracking speed : 30 ipsAir-protocol rate : 250kbps System Requirement:—————————WIN2000 / XP / VISTA / Windows 7,8,10Macintosh OSUSB Port Category IT Products Type Mouse Model MD201M