logitech b170. form factor ambidextrous. movement detection technology optical, device interface rf wireless, buttons type pressed buttons, buttons quantity 3, scroll type ball. power source batteries. mouse weight 70.5 g. colour of product black input device device interface rf wireless purpose office buttons type pressed buttons buttons quantity 3 scroll type ball movement detection technology optical recommended usage universal frequency band 2.4 design form factor ambidextrous colour of product black ergonomics plug and play ja wireless range 10 m power power source batteries number of batteries supported 1 battery type aa service life of battery 12 month(s) system requirements windowsâ¦