Feature product features input device device interface rf wireless buttons quantity 5 movement detection technology optical scroll wheel yes connectivity frequency range 24 ghz wireless range 8 m technical details colour of product blackgrey contents wireless optical mouse micro usb receiver 2x aa batteries user39s guide operating systemsoftware mac operating systems supported no weight amp dimensions mouse weight 170 g packaging data package dimensions wxdxh 115 x 50 x 160 mm package weig