... Music Angel (JH-MAUK2), USB power portable speaker with FM Radio, Support TF(Micro SD) Card, USB ... FM Radio, can search the channel automatically 2) Stereo sound, Ultra-low sound, Built in 3.7V/ ... can enjoy the wonderful music anytime,anywhere. 3) With the audio port, you can connect this unit ... to other MP3 players. 4) Portable music system compatible with MP3, MP4, Mobile Phone, Computer, iPod,PDA, etc ...