Logitech Wireless Combo MK345 keyboard and mouse with extra long battery life

Logitech Wireless Combo MK345 Keyboard and Mouse with extra Long battery life, 48 months battery life, Full-size layout with 12 enhanced F-keys for Media control, 10 m Maximum Wireless operating distance, Advanced 2.4 GHz Wireless connectivity, Logitech advanced optical Tracking, 1000 dpi Resolution, 3 buttonsOverview:Wireless Combo MK345The powerful combo with extra-long battery lifeFeatures:Increase your productivityType on a full-size layout with 12 enhanced F-keys for media control. Skip a song, pause a video or mute audio instantlyExtra-long battery lifeEnjoy an awesome 4-year keyboard and 18-month mouse battery life, provided by our energy efficient engineering.On/Off switch on mouse and keyboardBattery life indicator on mouseNano-receiver storage in the mouseAutomatic sleep mode when not in use 1Improved comfortThe generous palm rest, the contoured right-handed mouse and the adjustable keyboard height give you more comfort.Wide wheel will improve your scrolling experiencePlug-and-forget Nano-receiverSpill-resistant design so you dont have to worry about accidental spillsTextured palm rest and mouseSpecifications:Dimensions KeyboardHeight: 186.7 mmWidth: 447.2 mmDepth: 21.4 mmWeight: 603 gMouseHeight: 105.4 mmWidth: 67.9 mmDepth: 38.4mmWeight: 86.4 gSystem Requirements Windows Vista, Windows 7, Windows 8, Windows 10Chrome OSUSB portBattery life 48 monthsBattery 2-AAAOn/Off switch YesOther Full-size layout with 12 enhanced F-keys for media controlUnifying-ready keyboard NoUnifying-ready receiver NoWireless operating distance 10 m maximumWireless system Advanced 2.4 GHz wireless connectivitySensor technology Logitech Advanced Optical TrackingResolution 1000 dpiBattery life 18 monthsBattery 1-AAOn/Off switch YesNumber of buttons 3Scroll Wheel YesTilt function NoUnifying-ready mouse NoUnifying-ready receiver NoWireless operating distance 10 m maximumWireless system Advanced 2.4 GHz wireless connectivityConnection Interface USB receiverPackage Contents Keyboard, MouseUSB receiver2 AAA alkaline batteries in keyboard (pre-installed)1 AA alkaline battery in mouse (pre-installed)User documentation