Fantech W188 Wireless Mouse, 2.4 GHz. With its symmetrical ergonomic design, this 3D button wireless mouse fits comfortably in both the left and right hands. Fantech W188 Wireless Mouse, 2.4 GHz Three buttons with a scroll wheel are included. Tracking systems: Optical Most surfaces can be used with optical technology. ergonomically designed, fatigue-free long-term use. Plug and play, intelligent connectivity, and no coding is required. Completely brand-new, premium 3D button wireless mouse with symmetrical ergonomic design that fits both left and right hands, feels comfortable, and fits all hand types—perfect for a long-lasting office! 1200DPI USB micro receiver The web page preview is simple and seamless, with super sensitivity, plug and play, and advanced optical tracking technology for fast clicks and response progress. Wireless transmission at 2.4G with no delay powerful ability to block interference, a wireless connection range of up to