... input 3,Build-in stereo FM radio4,Line-in(AUX: MP3, MP4, iPhone,PC, Laptop)5,Output: RMS-3W, THD=10 ... -18000HZ(±3dB);Power supply:5V\600MA,AC power adapter,USB cable; Signal to noise ratio of power amplifier: ≥80dB6,Built-in ... capability rechargeable battery7, Color: Black,Blue,Orange,Rose,Golden Sport MP3