# Reviung39 ![Reviung39](https://boardsource.imgix.net/d6215164-6100-4b72-b355-1a67b7704463.jpg?raw=true) Reviung39 is a 39 key keyboard designed by gtips. The Reviung39 sits somewhere between an Atreus and a Corne, you get some nice ergonomic benefits based on its quasi-split design and since a true split keyboard isn't for everyone, this is an awesome middle ground. I find this keyboard extremely comfortable to use. kb.py is designed to work with the nice!nano Hardware Availability: [PCB & Case Data](https://github.com/gtips/reviung) Retailers (USA) [Boardsource](https://boardsource.xyz/store/5ecb734486879c9a0c22dab3) Extensions enabled by default - [Layers](https://github.com/KMKfw/kmk_firmware/tree/master/docs/layers.md) Need more keys than switches? Use layers. - [RGB](https://github.com/KMKfw/kmk_firmware/tree/master/docs/rgb.md) Light it up - [ModTap](https://github.com/KMKfw/kmk_firmware/tree/master/docs/modtap.md) Allows mod keys to act as different keys when tapped. Common Extensions - [Power](https://github.com/KMKfw/kmk_firmware/tree/master/docs/power.md) Powersaving features for battery life