... 3.Supporting USB2.0 high speed transmission 4.competitive price Portable Gift Mini Speaker (Use with MP3, MP4, CD, DVD, Ipod, mobile phone ... portable mobile music, connecting your MP3, CD, DVD, iPod, iPhone, GPS, PSP, mobile phone, notebook computer. High density metal shell shows noble and ... User Manual Portable Gift Mini Speaker (Use with MP3, MP4, CD, DVD, Ipod, mobile phone, laptop, GPS, PSP)