It's a board with the NXP MK26F MCU in a Adafruit Feather form factor, with 2MB of Flash memory and 256KB of RAM running at 180 Mhz Cortex M4F.
It's a board with the NXP MKL26 MCU in a Adafruit Feather form factor, with 256KB of Flash memory and 32KB of RAM running at 48 Mhz Cortex M0+.
There are only a few board integrating the Freescale NXP MCUs in the market, sometimes it's hard to made them projectwise compatible, now it has a standard form factor for a lot of projects.
It has and tiny RGB LED and SDHC microSD Socket ready for a lot of projects that require visible notifications and real time microSD logging.
Learn more of my prototyping boards in my blog at Savage Electronics Blog