ADJUSTABLE DPI: 7 DPI levels can be adjusted freely to match mouse speed to gameplay requirement instantly, delivering an extremely precise experience for computer games. WIRELESS/ WIRED MODE: Come with USB Receiver and high-speed cable for a continuous connection, make you keep using gaming mouse when the battery is run out. SUPERIOR ERGONOMIC DESIGN: The shape of mouse ensure long-term comfort at your hands without fatigue. Plus, the mouse adopt sweat-resistant design, provide you a firm grip during games. PROGRAMMABLE BUTTONS: The GM02 gaming mouse support macro editing, makes you personalize gaming mouse according to your habit, offering superior productivity and efficiency. NOTE: Driver can be downloaded from our website. FLOWING LED BACKLIT LIGHT: With 7 changeable backlight color, the mouse provide you fancy cool gaming environment and highlight your game atmosphere. The backlit can be turned off for saving power.