Quantity   Component name
1 × NXP LPC1313 Cortex M3 microcontroller
1 × Microchip MPC73831 LiIon battery charger IC
1 × TI LM3671 Buck regulator
1 × Fairchild FAN4931 Amplifier and Linear ICs / Operational Amplifiers
1 × Capacitors, resistors, and inductors Some number of some quantities
5 × LEDs Electronic Components / Misc. Electronic Components
1 × Microphone
1 × Lithium Ion battery