New Pro Micro ATmega32U4 5V 16MHz Replace ATmega328 Arduino Pro Mini
With 16Mhz crystal. he USB port is also available in single row pin strip to connect a USB cable (Host) to connect other Devices. Color : green Module Size : 3.4cm x 1.8cm/1.33"X0.7" Pin Size : 3cm X 1.2cm / 1.18"X0.47".