... low noise digital effects;with LED light Description:Mini MP3 Mobile Cell Phone Stereo Speaker with SD Slot. ... Speaker, you can enjoy the music from mobile phone, MP3, MP4, PC, and other audio devices. It features ... on, the front LED lamp will gives out charming light. Connect you audio device to the 3. ... cable, you can play music sourcess from mobile phone, MP3, MP4, PC, etc. This SD Speaker with built ...