... 3.5 inch GPS MP3/4,Ebook,photo viewer Win CE 5.0 system Support SD card 20 country language 3.5 inch ... it also can connect external antenna Functions: Navigation, MP3, MP4, JPG picture,E-Book etc.. Built-in ... WMA,MP3 andWAVBattery: with 1000mAH~1300 mAh built-in Lithium battery DC IN: 5V Sample$43.203.5 inch ... ,MP3 andWAV Battery: with 1000mAH~1300 mAh built-in Lithium battery DC IN: 5V AC-127B 3.5 inch ...