Specification Fantech W188 Wireless Mouse White, W188 Wireless Mouse, Best Wireless Mouse, Optical Wireless Mouse ● Buttons: 3 buttons with scroll wheel. ● Tracking systems: Optical ● Optical technology works on most surfaces. ● Ergonomically designed, long-term use without fatigue. ● Intelligent connectivity, no need to code, plug & play. ● 100% brand new and high quality ● 3D button wireless mouse, symmetrical ergonomic design suitable for left and right hand use, feel comfortable, fitting hand type, ideal for durable office! ● USB micro receiver 1200DPI Super sensitivity, plug and play, advanced optical tracking technology for quick click and response progress web page preview is easy and smooth. ● 2.4G wireless transmission, zero delay Strong anti-interference ability, wireless connection range up to 10 meters (33 feet) ● Color: Black, White; Two-color simple classic does not fall behind ● Battery: 1*AA （not included） smart power-saving mode to enjoy wireless fun ● System Requirements: Windows 10 or later, Windows 8, Windows 7, Mac OS X 10.8 or later, Chrome OS