... ,MP3, MP4 and other audio source 3.Supports FM radio function U-21 patent productApple shape USB/SD/MMC speakersPlay music ... , mobile phone ,MP3, MP4 and other audio sourceSupports FM radio function Rated Power: 5W Speaker unit:80mm, 4ΩFrequence response: 150Hz ... Colors:White/Red/Green… 1,Built-in SD card music player,High sensitive antenna FM radio, all can active play 2 ...