In the preamble, the x3 fiio audiophile is an excellent music player and portable: well fed (FLAC hq), good headphones (for listening senn momentum in Mobility and AKG 701 in sedentary) allow you tu references much more expensive . Alert nevertheless Reliability (firmware?). Down after a week of listening! Since returning to Sweden. Early November. And since then, I always expect a replacement or refund. In vain, despite my multiple reminders (In English). To summarize: very good device. Good value for money. Attention reliability. To avoid potential problems, preferred purchase from french seller (you have a choice on the market). Avoid Avshop as incompetent Sav.