EasyAcc® make it easy EasyAcc® Xpider Laser Gaming Mouse - make control easier - EasyAcc® 2400 DPI Precision Gaming Mouse puts unrivaled control of the battlefield in the palm of your hand. - Special Edition for Gaming Ergonomic Both-handed design Buttons: 6 buttons with scroll wheel. - The USB cable length is up to about 1.5m Compatible with Windows 7, Windows Vista or Windows XP(not fit for Windows 8). - High Quality, Compact Design and Measurable Weight(135g). - Ultra-precise Scroll Wheel. In the box: 1 x EasyAcc® Xpider Laser Gaming Mouse