This 9-button is specifically design for game plays. The A3050 gaming chip, 5 DPI adjustable and ergonomic design is perfectly for those game players. And this mouse can bring better gaming feeling for you.Features:Dual mode can switch alternatively and freely.The gun pressing key helps you to get a chicken dinner.Humanized spiral button can adjust freely according to your palm size.Metal and anti slip base, it is much more stable.5 DPI adjustable (1200-1600-2400-3200). Faster and more stable.With Avago A3050 game chip, faster, more stable, and more precise.UV-plated buttons are waterproof, anti-fading. More durable.Added one fire button, click one for 3 shooting. Victory is yours.5 LED lights are much more splendid, making you cool while gaming.USB interface is compatible with most computers and laptops.Nylon braided cable is much more durable and resistant to pull.Warm Notice:GT650 Drive Download:http://www.oemmouse.com/download/download-99-350.htmlSpecifications:Item Weight: 144g / 5.08ozPackage Weight: 235g / 8.29ozItem Size: 13 * 7.5 * 3cm / 5.12 * 2.95 * 1.18in 锛圠 * W * H锛?br>Package Size: 17 * 11.5 * 5cm / 6.69 * 4.53 * 1.97in 锛圠 * W * H)Package List:1 * Gaming Mouse1 * User Manual聽