... Shenzhen Liankechuang beautiful Hifi sound systemL HOME portable iphone speaker with line-in functionProduct Description Output Power:RMS 4W(2W+2W ... stereo audio plugUSB 5V supply or adapterDC-5V supply powerCompatible with USB drive, mp3, mp4, mobile and laptop, etc.Portable ... Channel Stereo Speakers,Support SD/MMC/MS card, USB device,Compatible with MP3/ MP4/ PC, and mobile, etc. Portable, it’s a ...