ENJOY THE SOUND OF SILENCEGet all your work done without missing a beat or disturbing those around you Silent Mice have the same click feel without the click noise – over 90 noise reduction Durable high performance feet quietly glide over the desktop A smooth scroll wheel completes the silent experience Silent Mice eliminate excess noise while protecting the health & productivity of everyone Make this your last annoying click Your family & friends will thank you OVER 90 NOISE REDUCTIONWith the same click feel & over 90 noise reduction on the click sound enjoy a quiet experience for you & your neighbors Plus it has feet made from high performance material & a rubber wheel for quiet gliding & scrolling SIMPLE RELIABLE STRONG Enjoy a wireless connection up to 10m away thanks to a plug-&-forget nano receiver M220 SILENT features Logitech Advanced Optical Tracking for ultra precise moves on almost any surface No hassle no software needed Works with Windows Mac Chrome OS™ or Linux-based computers 18-MONTH BATTERY LIFEGo longer between battery changes thanks to energy efficient engineering M220 SILENT automatically puts itself to sleep when not in use COMFORTABLE SHAPE MOBILE SIZE Ambidextrous design offers more comfort & precision than your touchpad Its small size is perfect to toss in a bag & go QUIET MARK CERTIFICATIONLogitech is the first mouse company in the world to receive the Quiet Mark certification This international mark of approval award program from the UK Noise Abatement Society recognizes technology designed to reduce noise Mouse Buttons type Pressed buttons Wireless range 10 m Purpose Office Recommended usage Universal Movement resolution 1000 DPIScrolling directions Vertical Scroll type Wheel Number of scroll wheels 1 Frequency band 24 GHz Movement detection technology Optical Buttons quantity 3 Device interface RF Wireless Input device Buttons type Pressed buttons Wireless range 10 m Purpose Office Recommended usage Universal Movement resolution 1000 DPIScrolling directions Vertical Scroll type Wheel Number of scroll wheels 1 Frequency band 24 GHz Movement detection technology Optical Buttons quantity 3 Device interface RF Wireless Ports & interfaces Wireless range 10 m Frequency band 24 GHz Design Wireless receiver interface USBProduct colour Charcoal Form factor Ambidextrous Surface coloration Monotone Receiver type Nano receiver Technical details Service life of battery 18 month (s) Weight 752 g Product colour Charcoal Form factor Ambidextrous Surface coloration Monotone Scrolling directions Vertical Number of scroll wheels 1 Ergonomics Wireless range 10 m Power Service life of battery 18 month (s) Power source Batteries Battery technology Alkaline Number of batteries supported 1 Battery type AASystem requirements Windows operating systems supported Windows 10 Education Windows 10 Education x 64 Windows 10 Enterprise Windows 10 Enterprise x 64 Windows 10 Home Windows 10 Home x 64 Windows 10 Pro Windows 10 Pro x 64 Windows 7 Enterprise Windows 7 Enterprise x 64 Windows 7 Home Basic Windows 7 Home Basic x 64 Windows 7 Home Premium Windows 7 Home Premium x 64 Windows 7 Professional x 64 Windows 7 Starter Windows 7 Starter x 64 Windows 7 Ultimate Windows 7 Ultimate x 64 Windows 8 Windows 8 Enterprise Windows 8 Enterprise x 64 Windows 8 Pro x 64 Windows 8 x 64 Mac operating systems supported Mac OS X 1010 Yosemite Mac OS X 1011 El Capitan Mac OS X 1012 Sierra Mac OS X 105 Leopard Mac OS X 106 Snow Leopard Mac OS X 107 Lion Mac OS X 108 Mountain Lion Mac OS X 109 Mavericks Linux operating systems supported Yes Packaging content Receiver included Yes Batteries included Yes User guide Yes Packaging data Wireless receiver interface USBReceiver included Yes Batteries included Yes Package weight 125 g User guide Yes Receiver type Nano receiver Package width 87 mm Package depth 126 mm Package height 186 mm