Portable Music Angel nimi Speaker bluetooth speaker Portable Music Angel nimi Speaker bluetooth speaker When use USB power. LINE IN: audio ... For next item Mini audio box with concept integral stereo portable mobile music, connecting your MP3,MP4,CD,DVD,iPod,iPhone,iPad,GPS,PSP,mobile phone ... 150-1800HZ(±3dB)Signal and noise ratio of power amplifier: ≥80dBLoud speaker 1.77 inches (external diameter 45mm ...