... /4, mobile phone, CD, PCs directly. Simple and fashion USB+SD SpeakerPortable mini speaker, MP3/4 play speaker , mobile phone play ... Description:connect MP3/4, mobile phone, CD, PCs directly.USB,SD card read function and fm radio function simple and fashion ... playback, call bluetooth automatic switching, infrared remote control.USB flash drives,SD cards,MMCcards,and TF cards are all supported.and FM ...