... )High-sense,low-power consumption CPU;Fine user interfac:simple,easy to operate;Power managing:keep the product to work longer ... at free time:the MP3 and MP4 function can relieve your fatigue;You can use it randomly when driving,walking,riding ... for a meeting,the perfect "GPS+entertainment" function can make your life and work more splendid.Unit,Home use adaptor,Earphone,Car ...