Features:</strong><br /> Cooling fan mouse, with 3 adjustable levels, air purifying function, mute and high performance, prevents sweaty palms, more cool and comfortable, to ensure effective working and smooth gaming.<br /> Ergonomic design, fits for you palm comfortably and perfectly, to reduce fatigue for long-time using.<br /> IC198 professional game chip, suitable for various massively multi-player online games, to avoid the frame loss during use.<br /> 4-Level DPI adjustable, provides precise positioning and accurate skills using, when play games.<br /> Light effect is designed on both sides of the 3D metal scroll wheel, and it is effectively non-slip, to prevent from slipping because of fast positioning.<br /> Optimized and adjusted mouse micro switch features clear clicks and quick rebound, accurate positioning, with about 20 million clicks life.<br /> Light colors correspond to DPI speeds, which will decorate the gaming combat atmosphere and bring you a vivid gaming experience.<br /> <br /> <strong>