Ergonomic left-handed mouse - Specially designed for left-handed people. The ergonomic design firmly supports your palm and effectively reduces pain from mouse arms or tennis elbow (RSI syndrome). Good choice for people who use daytime mice for a long time Wireless Mouse - 2.4 GHz wireless mode is suitable for those computers with a USB port. Allows a reliable connection within 10 meters. The cursor is smooth, fast and precise. The USB receiver is located in the battery compartment of the mouse High Sensitivity and Quiet Click - With 3 adjustable DPI 800-1200-1600, this vertical mouse provides more sensitivity than traditional optical mice for smooth and precise tracking on a variety of surfaces. The wireless mouse is silent, No worries about disturbing others while working EASY TO ACCESS - Added next/previous page buttons to make web pages easier to navigate; The best choice for Internet surfers, gamers and people who work on the computer for a long time