Get 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. Feature Feature Value Purpose Office Device interface RF Wireless Movement detection technology Optical Scroll type Wheel Buttons quantity 3 Buttons type Pressed buttons Movement resolution 1000 DPIRecommended usage Universal Number of scroll wheels 1 Scrolling directions Vertical Frequency band 2.4 GHz Form factor Ambidextrous Product colour Black, Red Surface coloration Monotone On/off switch Y Wireless range 10 m Battery type AANumber of batteries supported 1 Battery technology Alkaline Service life of battery 18 month (s) 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 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, 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, Windows 8 Pro x 64, Windows 8 x 64, Windows RTMac operating systems supported Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks Linux operating systems supported Y Width 60 mm Depth 39 mm Height 99 mm Weight 75.2 g Receiver width 1.87 cm Receiver depth 6.1 mm Receiver height 1.44 cm Receiver weight 1.8 g Receiver included Y Wireless receiver interface USBReceiver type Nano receiver Batteries included Y User guide Y Package width 87 mm Package depth 126 mm Package height 186 mm Package weight 125 g Quantity per intermodal container (20ft)28560 pc (s) Quantity per intermodal container (40ft)59520 pc (s) Quantity per pallet 1920 pc (s) Master (outer) case width 10.1 cm Master (outer) case length 36.2 cm Master (outer) case height 25.9 cm Master (outer) case weight 1.76kg Master (outer) case GTIN (EAN/UPC)50992060662111