MOFII Desktop set Wireless Beige Wireless 2.4GHz, Connection Type USB Receiver, Connection Range 10 meters, Number of Buttons Keyboard: 68 buttons, Mouse: 3 buttons, Sensor Technology DPI 1200, High Precision Optical Tracking, Battery life Keyboard: 36 months, Mouse: 18 months, Keyboard: 288x139x21mm, Mouse: 107x59x26.5mm, Weight Keyboard: 460g, Mouse: 100g