Mouse fara fir trust verro ergonomic wireless mouse specifications general height of main product (in mm) 68 mm width of main product (in mm) 74 mm depth of main product (in mm) 137 mm total weight 115 g weight of main unit 113 g formfactor standard ergonomic design yes connectivity connection type wireless bluetooth no wireless protocols rf 2.4ghz wireless range 10 m receiver included yes usb version 2.0 connector type usb-a male features silent click no gliding pads teflon software no usb receiver storable yes dpi adjustable yes special features vertical ergonomic wireless mouse power saving yes gaming designed for gaming no lighting lights no power batteries included yes battery life (months) 3 month rechargeable battery no number of batteries 1 wireless transmission power (mw) 1 mw battery type (aa, aaa, etc.) aa input power source battery sensor dpi 1200, 1600, 600 max. dpi 1600 dpi sensor technology optical compatibility compatible device types pc, laptop compatible software platforms windows, chrome os, mac os control grip type palm horizontal scrolling no controls left, right, mid, dpi loop, forward, backward, on/off number of buttons 6 dpi button yes on/off button yes programmable buttons no adjustable weight no suitable surface non-reflective flat surface indicators charging, battery empty left-right handed use right-handed scroll wheel yes trackball no olishop.roa