GAMDIAS Hermes GKB2010 Ultimate Mechanical Keyboard Cherry MX Brown Switches (GKB2010-BN) PREMIUM MICRO-PROCESSOR- 32-bit ARM Cortex premium micro-processor offers superior computing performance 512KB ON BOARD MEMORY- 512KB on board memory stores up to 10 profile settings, unlimited on-the-fly macro key settings, and voice recording key. CHERRY MX SWITCHES- Cherry MX mechanical brown switches provide a 50 million keystroke lifecycle EXTERNAL PORTS- USB pass-through and 3.5mm Audio/Mic jacks allow quick access to your multimedia and USB devices QUICK-ATTACH WRIST REST- Ergonomic wrist rest provides comfort for prolonged game play and doubles as dust cover when not in use AMBIDEXTROUS DESIGN- Ambidextrous key placement, tailored for the convenience of left and right handed users