Besides the features of the K210 and MAIX-I module, the M1w Dock and MAIX BiT have several other impressive features: high-speed UART and JTAG interface for debugging with all GPIOs connected to the header; support for a Micro SD card holder, onboard CH340 which supports 2 Mbps band rate, 24P 0.5 mm FPC connector for DVP Camera, 8-bit MCU LCD 24P 0.5 mm FPC connector, RST button and USR button; and provides 3.3 V and 1.8 V to developers.