Noiseless clicking silent button reduces 90% noises, which makes it an ideal wireless mouse for office, conference room, cafe, library, bedroom, help you concentrate on your work, study without disturbing others besides you. High precision advanced Optical tracking technology with fast click and responsiveness, 1600 default DPI increases work efficiency by 50% while using safari, Word, Excel, Adobe or other program. Classic 3 buttons help you to get rid of the useless buttons. Plug & play no need to install any driver, just plug the USB Receiver into your laptop will the mouse start to serve. 2.4GHz wireless technology provides powerful and reliable connection, effective up to 15 meters of range. Extensive compatibility makes it work with Windows 7/8/10/XP, Vista, Linux and Mac OS. Slim & portable fashionable slim ergonomic design and smooth frosted surface maximize the comfortable grip. Symmetrical design make it also suitable for left-handed. The USB Receiver can be stored under the battery cover when not in use, taking up no space and making it portable for travel. Replace service for free victsing is a 10-year Professional seller specializing in manufacturing mouse. We promise 18 Months Free replacement to solve all your worries. If with any questions, please contact us via the email on the warranty Card, you will be replied with 12 hours.