Mobile Speaker 1. USB, SD ,FM 2. Connect MP3/4, mobile phone, CD, PCs directly. 3. Infrared remote 4. ... Mobile Speaker Description:connect MP3/4, mobile phone, CD, PCs directly.USB,SD card read function and fm radio function simple and fashion ... TF cards are all supported.and FM radio.In addition external inputs such as mobile phones,MP3 players,MP4 players,ipods,personal computers ...