... speaker.•Accompanying usb rechargeable sport bike mini speaker for PC,MP3,MP4,mobile phone and notebook. Lithium battery3.7V900mahS/N≥ ... music world.Mini, portable digital speaker for your convenience, connecting to your MP3,MP4, CD, DVD, iPod, iPhone, GPS, PSP, mobile ... manners including battery, computer USB, adaptor DC-5V allow you to enjoy the music, for your option. ACCESSORIES: •Audio input ...