Hardware that has missed your attention. Particle.io - RedBear DUO. The device combines WiFi and Bluetooth Low Energy.
Microcontroller is STM32F205 (Cortex-M3 @120MHz, 128 KB SRAM and 1MB Flash) the same like on Particle Photon

WiFi and BLE controlls Broadcom BCM43438 - Wi-Fi 802.11n (2.4GHz only) + Bluetooth 4.1 (Dual Mode).

RedBear contains 16 Mbit (2 MB) SPI FLASH. You can use up to 18 GPIO. As you can see, on the board is RGB led.

RedBear is compatible with all Particle development tools - Web IDE, Desktop IDE and our developer Console

On the board is connected internal antenna and also connector for external antenna.

Dimension of Particle RedBear is 40 x 20 x 13 mm.

The project is available on https://github.com/redbear/Duo.

The price of RedBear je $24.90 + shipping and that is available on particle store https://store.particle.io/.