Take it anywhere

(4c)'s embedded magnets allow for quick pack-up and go, toss it in your bag and bring it anywhere you need to type.

Use anywhere

Pair up to 5 bluetooth devices and swap between them with a keypress. (4c) supports Windows, MacOS, Linux, Android and iOS over Bluetooth and USB-C.

FREE AND OPEN SOURCE

(4c) is licensed under Attribution-NonCommercial-ShareAlike, build your own, or buy a kit from compression!

(4c) is powered by ZMK FOSS Firmware and layouts can be infinitely customized

View on GitHub

Featured products

Blog posts

  • Batch 2 update, Beta Firmware for 4c owners

    It's been a while! Sorry about the lack of updates, especially when it comes to batch 2. I'm finishing my last year of engineering school, and I had even less...

    Batch 2 update, Beta Firmware for 4c owners

    It's been a while! Sorry about the lack of updates, especially when it comes to batch 2. I'm finishing my last year of engineering school, and I had even less...

  • (4c) is ready for order!

    (4c) is ready for order!

    (4c) is ready for order now here on compression keyboards! I have been designing and iterating on the (4c) since late 2022, and I am so excited to share it...

    (4c) is ready for order!

    (4c) is ready for order now here on compression keyboards! I have been designing and iterating on the (4c) since late 2022, and I am so excited to share it...