I-ROCKS KR-6402-BK Aluminum X-Slim Keyboard with 2 USB Ports - Black Aluminum upper case, Slim and fashion, space-saving layout. Soft touch and tactile feedback with scissor-structure key-switch. Low key-distance with new design square key cap shape. Supports internet, E-mail and multimedia hot keys. Compatible with Microsoft Windows ME, 2000 , XP, Vista, and Windows 7 operating system.