... battery 3.good quality and low price Mini Speaker with USB Input Description: Bear SpeakerThis speaker has been put into stylish and economic ... , DVD, iPod, iPhone, GPS, PSP, mobile phone, notebook computer, Hi-fi speaker, U-disk and TF card. Perfect combination of NANO ... designed. Several colors and power supply manners including battery, computer USB, adaptor DC-5V allow you to enjoy the music, ...