... Volume control* Work with all audio sources with a 3.5mm jack.* li-on Battery inside* Power Led indication and li ... -lon Battery inside) USB power cord* Output Power: 3w+3w* Driver Unit: 52mm speaker , 4ohms* Frequency Response: 150-18Khz Packing:* Packing ... Content: Speaker, remote control,USB Power Cord,2.5mm docking, nuokia docking,sony docking* Product size142*101*58MM* Gift ...