... beautiful Hifi sound systemL HOME portable iphone speaker with line-in functionProduct Description Output Power:RMS 4W ... High fidelity,Dual Channel Stereo Speakers,Support SD/MMC/MS card, USB device,Compatible with MP3/ MP4/ PC, and ... a good choice for your journey Specifications: With card slot, support USB/SD/MMC Build-in mp3 player, can ... system L HOME portable iphone speaker with line-in function