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 ABS, these tough keycaps won t wear down to a shiny finish and have labels which will never fade thanks to their doubleshot moulding process. Sound Dampening Foam Added for improved acoustics, the Razer Huntsman V2 has a layer of special foam inside its casing which absorbs any pinging noises that might occur when you bottom out your keys.