... concept integral stereo portable mobile music, connecting your MP3, MP4, CD, DVD, iPod, Phone, GPS, PSP Description:Features: This ... concept integral stereo portable mobile music, connecting your MP3, MP4, CD, DVD, iPod, Phone, GPS, PSP, mobile phone, notebook ... %Frequency response: 150-18000HZ(+-3dB)Loud speaker: 1.77inches(external diameter 45mm)Magnetic resistant: 4 OhmsPower supply: 5V/1000 ...