Frequency Response: 60Hz-20KHz
Input Impedance: 10kohm
Input Voltage: DC 5V
Control: Volume/BT/USB/TF/Aux/Fm
Charging Time: about 3 hours
Playing Time: about 12 hours
Product color: Black, multi color
Function: MP3 music player, FM radio, TF Card, Line in, USB music playback
Suit for: Computer/MP3/MP4/Mobile Phone/for iPOD