... -ion Battery.Audio Source: PC,MP3,MP4,MID,CD,DVD,Mobile phone,iPhone,iPod etc.When you use Taking ,please put ... Hz Power Source:PC, MP3, MP4, MD, CD, DVD player, Mobile phone,etcProduct Size: 83*77 mm Products Weight: 340gColor available ... for 3.5mm audio cable,another for USB cable)User manual vibration resonance mini speaker