Razer Linear Optical Switches Gen-2: Improved with sound dampeners for an even quieter typing experience, the smooth, consistent switches are now also more responsive 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