prose p { text-align: justify; } Logitech M331 Wireless MouseSpecificationConnection Type: 2.4 GHz wireless connectionWireless range: 10 meters 2Connect / Power: Yes, on/off switchBattery Details: 1 x AABattery Life (not rechargeable): 24 months1DPI (Min/Max): 1000±Sensor technology: Yes, 2D, mechanicalSensor resolution: 1000 dpiScroll Wheel: YesNumber of buttons: 3Standard and Special Buttons: Middle clickInterfaceMouse (HxWxD): 105.4m x 67.9m x 38.4mWeight: 91.0 gNano receiver (HxWxD): 14.4m x 18.7m x 6.1mWeight: 1.8 gSYSTEM REQUIREMENTSWindows® 10 or later, Windows 8, Windows RT, Windows 7Mac OS X 10.5 or laterChrome OS™Linux Kernel 2.6+2USB portPACKAGE CONTENTSMouseNano receiver1 AA battery (pre-installed)User documentationWarranty01-year warrantyLogitech Wireless Mouse M331  PerformanceENJOY THE SOUND OF SILENCE with Logitech Wireless Mouse M331. Get all your work done without missing a beat or disturbing those around you with Logitech Wireless Mouse M331. The Logitech Wireless Mouse M331 is a Silent Mice that have the same click feel without the click noise – over 90% noise reduction. Durable, high-performance feet quietly glide over the desktop. The Logitech Wireless Mouse M331 has a smooth scroll wheel that completes the silent experience. Logitech Wireless Mouse M331with Silent Mice eliminate excess noise while protecting the health and productivity of everyone. Make this your last annoying click. Your family and friends will thank you. Logitech SILENT PLUS MouseENJOY THE SOUND OF SILENCE With Logitech SILENT PLUS Mouse. the same click feel and over 90% noise reduction on the click sound, enjoy a quiet experience for you and your neighbors with Logitech SILENT PLUS Mouse. Plus, Logitech SILENT PLUS Mouse has feet made of high-performance material and a rubber wheel for quiet gliding and scrolling.