Philippines

Features:

ATmega32U4 running at 16MHz with external resonator (0.5% tolerance)
On-Board micro-USB connection
Supported under Arduino IDE v1.0.1
4 x 10-bit ADC pins
12 x Digital I/Os (5 are PWM capable)
Operating Voltage (logic level): 5 V
Input Voltage (recommended): 7-12 V, or 5V via USB cable
Rx and Tx Hardware Serial Connections  
Dimensions: 0.7x1.3" (18x33mm)
Less than 2 grams

Package Including
1pc Arduino Pro Micro ATmega32U4 5V 16MHz