LOGITECH SLENT WIRELESS MOUSE Get all your work done without hesitation and without disturbing those around you. Silent Mice provide the same click feel without clicking noise, with more than 90% noise reduction.1 Durable and high-performance feet glide silently across the desktop. A smooth scroll wheel completes this quiet experience. Silent Mice eliminate unnecessary mouse noise, protecting everyone's health and productivity. Let this be the last annoying clicking sound you hear. Your family and friends will thank you. Over 90% Noise Reduction Enjoy a quiet experience for yourself and those around you, with the same click feel and 90% noise reduction on click sound. In addition, thanks to the feet made of high-performance material and the rubber wheel, it provides silent sliding. Easy. Trustworthy. Strong. Enjoy wireless connectivity up to 10 meters* thanks to the plug-and-forget nano receiver. The M220 SILENT also features Logitech® Advanced Optical Tracking technology for highly precise movements on nearly any surface. No hassle, no software required. Compatible with Windows®, Mac, Chrome OS™ or Linux® based computers. 18 Months Battery Life* Use your battery longer thanks to the energy-saving design. The M220 SILENT automatically goes into sleep mode when not in use. Comfortable Design. Portable Size. The ambidextrous design offers greater comfort and precision than your touchpad. With its small size, it is ideal for you to throw it in your bag and go on the road. Quiet Mark Certificate Logitech is the first mouse company in the world to receive the Quiet Mark certification. Created by the Noise Abatement Society in the UK, this international mark of approval award program endorses technology designed to reduce noise. Name: Wireless Mouse Line length: wireless; Photoelectric resolution: 1000dpi; Working method: photoelectric; Packing list: color box/blister; Interface: USB; Weight: 70g (without battery); Product size: 99 x 60 x 39mm; Button: 2; Wireless transmission frequency: 2.4GHz; Adjustable resolution: level three and below; Operating distance: 10M; Mouse size: mouse (below 100mm); One AA battery can provide you with enough power to last 18 months without changing the battery. Packing list: 1 x Wireless Mouse 1 x receiver Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Manual measuring, please allow 1~3mm error, thank you.