‘-Buttons: 4 buttons with scroll wheel -Tracking systems: Optical -Adjustable DPI Switch: 1200/2500/3200DPI -Ultra-precise Scroll Wheel -Optical technology works on most surfaces -Ergonomically designed, long-term use without fatigue -Intelligent connectivity, no need to code, plug & play -Built-weight iron, feel comfortable, mobile and stability -Switch Life: 5 million cycle -Size: 130(L) x 71(W) x 43(H)mm -Compatible with Windows XP, Vista, Windows 7, ME, 2000 and Mac OS?or latest -User for: The high-end players, gaming professional players
