portable mini speaker connect MP3/4, mobile phone, CD, PCs directly. ... card read function simple and fashion Portable mini speaker, MP3/4 play speaker , mobile phone play speaker, CD ... ,gift speaker, digital speaker,speaker bag.... Description:connect MP3/4, mobile phone, CD, PCs directly.USB,SD ... .In addition external inputs such as mobile phones,MP3 players,MP4 players,ipods,personal computers can be ...