... headset, or output the music to other audio device.HI-FI stereophone. Functions1) Audio Sample Rate---8-48KHZ(MP3 bit rate: 8 ... info: play,pause,previous/next song and status of storage4) Audio mode: POP,ROCK, CLASSIC, JAZZ,STR,NATURE5) Socket: 3.5mm ... output the music to other audio device.6) frequency response: 0-20khz7) speaker frequency output-2*10mw8) audio output: HI-FI stereophone9) FM ...