3 Adjustable DPI Values & 6 Buttons: 3 DPI switches (1600-1200-800) change the mouse speed freely. Perfect wireless mice for home and office. The forward and back button is convenient when surfing the internet. A total of 6 buttons (Forward button, Back button, Left button, Right button, Scroll wheel, DPI button). Silent Design & Noiseless Click Mouse: The mute design with the advanced sensor offers silent clicks. Perfect for public places such as libraries, dorms, offices and other occasions where you don't want to disturb others. It frees you from worrying about noise and lets you stay focused while working. 2.4G Wireless Connection. Stable Transmission: The computer mouse delivers a powerful, reliable 2.4 GHz wireless connection with high anti-interference performance. The effective transmission distance is up to 10 m. A mini USB receiver (in the battery slot) supports plug and play. No additional driver is required. STRONG DURABILITY AND LONG WORKING DISTANCE: Passed 5,000,000 keystroke test to ensure additional durability; 2.4 GHz wireless technology ensures a working distance of up to 50 feet. Low power consumption. COMPATIBILITY: Well compatible with Windows 7/8/10/XP, Vista 7/8, and Linux, etc. Suitable for desktops, laptops, PCs, and other devices.