Mouse fara fir trust mydo silent click wireless mouse - blue specifications general height of main product (in mm) 104 mm width of main product (in mm) 70 mm depth of main product (in mm) 35 mm total weight 84 g formfactor compact ergonomic design no 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 features silent click yes gliding pads upe software no usb receiver storable no dpi adjustable yes special features silent buttons power saving yes gaming designed for gaming no lighting lights no power batteries included yes battery life (months) 6 month rechargeable battery no number of batteries 2 wireless transmission power (mw) 1 mw battery type (aa, aaa, etc.) aaa input power source battery sensor dpi 1000, 1400, 1800 dpi range 1000 dpi - 1800 dpi max. dpi 1800 dpi sensor technology optical compatibility compatible device types pc, laptop compatible software platforms windows, mac os, chrome os control grip type palm horizontal scrolling no controls left, right, mid, dpi number of buttons 4 dpi button yes on/off button yes programmable buttons no adjustable weight no suitable surface non-reflective flat surface left-right handed use right-handed, left-handed scroll wheel yes trackball no olishop.roa