With the development of high-speed Internet, people can download more and more lossless music. Unfortunately, most portable players cannot get the full potential of these high resolution lossless music files. The HiFiMAN HM-801 player was designed for replaying high quality lossless music files and getting hi-fi grade sound quality. It can play most music formats, such as mp3, wav, flac, ape, aac, ogg, wmv, etc. It can also support gapless playback by using cue playlist.