... to PC, mobile phone ,MP3, MP4 etc,and built in FM radio .2.Support SD / MMC card and U disk reads ... , computers, MP3 players, home audio equipment being loaded3,Built-in FM radio function4,High-fidelity magnetic speakers, wonderful movement, the perfect ... lithium-ion battery, battery life is more durable player6,Standard mini-USB charging port, optional power adapter for use with