Razer Clicky Optical Switches: Enjoy quick, snappy keystrokes that sound satisfying and feel lighter than traditional mechanical switches— with up to true 8000Hz polling rate for lower input latency Doubleshot PBT Keycaps: Harder and more durable than regular keycaps, these won’t wear down to a shiny finish and have labels which will never fade thanks to their doubleshot molding process Multi-function Digital Dial and 4 Media Keys: Configure them to pause, play, skip and tweak everything from brightness to volume—the ultimate convenience for enjoying your entertainment Ergonomic Wrist Rest: The sturdy wrist support perfectly aligns to the keyboard to relieve pressure on your wrists and feel less fatigued when gaming over long periods Hybrid On-board Memory and Cloud Storage: Be match-ready regardless of the situation when you can save and activate up to 5 on-board memory profiles, while building a library of macros and settings to call upon with cloud storage Sound Dampening Foam: Added for improved acoustics, the keyboard has a layer of special foam inside its casing which absorbs any pinging noises that might occur when the keys are bottomed out