... product 1.lower price,good qualiy 2.connect to PC, MP3, MP4, CD,other portable media player 3.bluetooth function bluetooth productspeaker bluetooth, ... A2DP enabled by mobile phone and MP3/MP4 player, PC, etc.2.Automatically connect with the Bluetooth running devices;3. ... Can be also connected to PC, MP3, MP4, CD, and other portable media ...