... ; Active Mobile Phone Speaker; Mini Stereo Speaker; SD Speaker;ultra-low noise digital effects;with LED light ... :Mini MP3 Mobile Cell Phone Stereo Speaker with SD Slot. With this Mini Stereo Speaker, you ... Speaker can play MP3 format music from SD/MMC cards (MMC, SD cards are not included). It is equipped with ... mobile phone, MP3, MP4, PC, etc. This SD Speaker with built in rechargeable Li-ion battery for ...