... -speaker Hot music cube mini mp3 speaker system with FM 1)The mini audio box with new concept integral stereo portable ... mobile music, connecting your MP3, MP4, CD, DVD, iPod, iPhone, GPS, PSP, mobile phone, notebook computer, etc.2) This speaker ... noise ratio of power amplifier:>=80db 4) Loud Speaker: 1.77 inch (external diameter 45mm), Magnetic ... : Hot music cube mini mp3 speaker system with FM