... g / n GPS: support GPS navigation, built-in compass E-book function Supported formats: TXT, PDF, CHM, UMD, PDB ... feature: At this point, and Flash10.1 browse Audio formats: MP3, WMA, APE, FLAC, OGG, AAC, ... M4A, MP2 Audio: Support multi-EQ sound Speaker: Built-in speaker, ... than 90dB; supportsynchronous lyrics; support song list Audio recording and other support, support for MP3, ...