... MP3 mini speaker,PC speaker 1.suitable for the computer,PDA,,iPhone 4,the handset,MP4,the U plate,the SD card. 2.Small size MP3 mini speaker ... ,PC speakerModel number:MA81221.Digital MP3 Player: TF ... light-emitting diodes.4.AUX external audio input: support for MP3, MP4, mobile phone, PC, etc. 5.External high-performance ...