Power and endurance Builtin rechargeable lithium battery provides up to 20 hours of continuous playback on a full charge, reducing the need for frequent recharging. Design and build Classic appearance with a simple, exquisite, and fashionable look that fits in any setting. Language support Multilanguage options include Spanish (Spain), Portuguese, and English, with English set as the default. Easy to switch to your preferred language. Music formats and lyrics Supports MP3 and WMA digital music playback with lyrics display for convenient viewing while you listen. Use scenarios Travel and daily commute: long playback time and straightforward operation make it ideal for listening on planes, trains, or on the move. Language learning and multilingual use: switch between languages and view lyrics to assist with comprehension and practice. Home, gym, and outdoor activity: for everyday music listening during workouts, workouts, or leisure time. Compatibility and performance Supports MP3 and WMA formats to ensure broad compatibility with your existing music library. Builtin battery eliminates the need for frequent battery replacements while delivering reliable performance.