The Astell & Kern SR25 MKII Hi-Res Audio Player is stylish & compact allowing you the freedom to take your hi-fi audio on the go while building on the successes of the original SR25 design. With a whole host of connectivity options youre free to enjoy your hi-res audio however you choose whether that be through wired headphones now including 4.4mm connections or wirelessly hooked up to your hi-fi speaker set-up. True audiophile sound quality is assured with support of FLAC files & featured LDAC. You can now listen to your playlists at one volume level seamlessly thanks to the inclusion of Replay Gain & with 20 hours of continuous playback you can enjoy your listening experience for hours on end with your immersion uninterrupted. Audio is clear & defined with a natural resonance so you can listen to tracks the way the producer & artist intended anywhere at any time.