1.2.4GHz wireless technology 2.System supported: Windows ME/2000/XP/Vista/ ... the receiver on or of state such as the mouse into deep sleep quickly, also to save battery.1000 ... /1600DPI switched by one key, 360-degree unobstructed receiver, positioned precisely.Moderate size, ... after long time fierce,6 keys design, the key surface adopts concave curve design, suitable for the ...