... .Supporting USB2.0 high speed transmission 4.competitive price Portable Gift Mini Speaker (Use with MP3, MP4, CD, DVD, Ipod, mobile phone ... . You can enjoy sweet stereo sound product from the aluminum speaker. Several power supply manners including battery, computer USB, adaptor DC ... x USB & Audio Cable 1 x User Manual Portable Gift Mini Speaker (Use with MP3, MP4, CD, DVD, Ipod, mobile phone, laptop ...