1> bird speaker for mobile phone 2> high efficiency, low power consumption equipment 3> 3.5 ... . Audio source: MP3,MP4,CD,DVD,iPod,iPhone,GPS,PSP,mobile phone,laptop etc..7. Audio input: 3.5mm earphone jack.8 ... /Off: Press on/off button to power on/off the model.Packing:1. Speaker*1pcs, USB and audio line *1pcs, user ...