TACTILE HIGH-SCISSOR KEYS: The high profile keys provides a comfortable and tactile typing feeling of a mechanical key press ADJUSTABLE ILLUMINATED COLORS: 7-color backlighting with circular breathing effect; To adjust the color brightness Fn+PgUP or Fn+PgDn MULTIMEDIA CONTROLS: Control background music without interrupting the game, also for playing, pausing and muting songs and videos; 12 media and shortcut keys ANTI-GHOSTING FEATURE: Ability to process simultaneous key press signals for a quick gaming response SYSTEM REQUIREMENTS: One free USB port, Windows 7,8,10; Package includes: PERIBOARD-329, manual, Dimension: 17.83 x 5.87 x 1.14 inches