A split ergo 4x6 keyboard with 3 or 4 thumb keys made and sold by Keebio. More info at Keebio.

Keyboard Maintainer: Bakingpy/nooges
Hardware Supported: Pro Micro
Hardware Availability: Keebio

Make example for this keyboard (after setting up your build environment):

make iris/rev2:default

Example of flashing this keyboard:

make iris/rev2:default:avrdude

See build environment setup then the make instructions for more information.

A build guide for this keyboard can be found here: Iris Build Guide