Description:
1>. Dual core processor, clocked at 240MHz, computing power up to 600DMIPS. Built in 520 SRAM KB.
2>. Built in 802.11BGNHT40Wi-Fi transceiver, baseband, protocol stack and LWIP
3>. Integrated dual mode Bluetooth (traditional Bluetooth and low power Bluetooth), it is
  important that Bluetooth and WiFi can coexist!
4>. 2 x 2 x DAC, 2 x I2C, any GPIO can be configured as PWM / timer and I / O, OpenOCD debug interface with 32kB, 2 x DAC, 2 x I2C, TRAX cache, 50MHz SDIO master / slave mode, the maximum support 16MB external SPI Flash, support SD card interface.

Note: It is not an assembled product. Thanks for your understanding.

Features:
1: Linux, Windows, Mac multi-platform development support;
2: no minimum only smaller! 21.5 * 15mm ultra-small area;
3: provide IPEX external antenna connection interface, user-friendly closed integration;
4: four-layer circuit board technology, better signal quality;
5: to provide a key download circuit program, put an end to cumbersome, delete deleted on the simple.
6: 32Mbit large FLASH!

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(The language in the video is English)

II. Tested by ICStation's Outstanding Partner Editronikx:

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(The language in the video is Spanish)

III. Tested by ICStation's Outstanding Partner CarlosVolt Tutoriales:

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Tested with HTU21D+BMP180+BH1750FVI Temperature Humidity Pressure Light Sensor

IV. Tested by ICStation's Outstanding Partner Fancy Electronics:

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(The language in the video is German)

V. Tested by ICStation's Outstanding Partner Csongor Varga:

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(The language in the video is English)