PACKAGE CONTENTSKeyboard (K220)Mouse (M150)USB receiver2 AAA (keyboard) and 2 AA (mouse) batteriesUser documentation..

LOGITECH WIRELESS MOUSE B175..

KEYBOARD & MOUSEModel NoM170Product typeMouseConnectivityWirelessWarranty1 Year from Logitech Service Center..

KEYBOARD & MOUSEModel NoM171Product typeMouseConnectivityWirelessWarranty1 Year from Logitech Service Center..

The pocket-size mouse that's big on wireless reliabilityController Features: Wireless, zooming capabilities, USB connectionWindows Vista, Windows 7, Windows 8, Windows 10 Mac OS X 10.5Just pop in the battery, plug in the USB receiver and you're good to goHigh-definition optical tracking1600 dpiRange: 10 meterWorks on 2.4 GHz radio frequencyColor - ..

Technology Used: 2.4G Wireless TechnologySystem Requirements: Windows XP, Windows Vista or Windows 7 or Windows 8, Mac OS X 10.5 or later, Linux kernel 2.6+, USB portSales Package: Mouse with Nano-receiver1200 dpi..

Long life keys with life span of 10 million times and compact size for space savingKey Pressure: 65g, comfortable feeling, effectively reducing typing stress, release the arm muscle strainNoiseless design undisturbed working environment3 Function keys: sleep, wake up and power3 Pieces LED function: num, caps and scroll lock..