... with new concept integral stereo portable mobile music, connecting your MP3, MP4, CD, DVD, iPod, Phone, GPS, PSP Description:Features: This ... with new concept integral stereo portable mobile music, connecting your MP3, MP4, CD, DVD, iPod, Phone, GPS, PSP, mobile phone, ... speaker: 1.77inches(external diameter 45mm)Magnetic resistant: 4 OhmsPower supply: 5V/1000 mA AC power adapter, USB power rotate ...