Elecom mouse wireless (Receiver included) Trackball Big ball 8 button Tilt function black M-HT1DRXBK

The HUGE 52mm diameter trackball gives you a feeling of control beyond your imagination. The "HUGE" wireless trackball mouse is equipped with a palm rest to reduce the burden on the wrist during long hours of PC work.;Connection method Wireless 2.4Ghz (receiver included);Number of buttons 8 buttons *including wheel button *with tilt wheel;SizeWidth 114.7 x Depth 181.9 x Height 57.2mm;Power source: Two AA alkaline, AA manganese or AA nickel-hydrogen batteries (Assumed battery life: Low Energy mode: approx. 534 days, High Speed mode: approx. 325 days *Assuming that 5% of the 8 hours of computer operation per day is dedicated to mouse operation);Term6 months