The Arduino® Micro is one of the smallest boards in the Arduino family, yet it is still powerful. No need to worry about soldering on male headers
OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin Header Replace wit Pro Mini for Arduino : Electronics
Arduino Micro RETAIL - DFRobot
diymore Arduino Pro Micro 16MHz 5V with 2-Row Pins Header Module Board ATmega32U4 Module Board Micro USB Pro Micro Development Board Microcontroller : Electronics
Arduino Micro Pinout and Specification
Arduino Micro Microcontroller A000053
TENSTAR ROBOT Pro Micro With the Bootloader Black/Blue ATmega32U4 5V/16MHz Module Controller Mega32U4 Leonardo
The Arduino® Micro is one of the smallest boards in the Arduino family, yet it is still powerful. No need to worry about soldering on male headers
Arduino Micro
Pro Micro: Arduino Pinout - tinkerBOY
Arduino MICRO 5V - Micro Center
Pro Micro 5V/16MHz Arduino Compatible Microcontroller - RobotShop
Breakout for Arduino MICRO - Winford Engineering