A high resolution music player, redefining portable expectations. The smart desktop-class M17 digital music player is an entirely new chapter of FiiO digital audio players. Its desktop-grade DAC, amplification, power supply, etc. give it the output power and sound quality to rival and perhaps even surpass highly-regarded desktop systems but in a portable package. Let the M17 mp3 player redefine what is possible with portable audio players. The m17 bluetooth player has multi-playing ways, it can easy to drive hungry-power headphones, you also could use it with your PC, speaker, preamplifier or other audio devices.