... phone, CD, PCs directly. Simple and fashion USB+SD SpeakerPortable mini speaker, MP3/4 play speaker , mobile ... 4, mobile phone, CD, PCs directly.USB,SD card read function and fm radio function simple ... and fashion design is very easy for take to any where placeperfect stereo effects ... infrared remote control.USB flash drives,SD cards,MMCcards,and TF cards are all supported.and FM radio. ...