Key benefits Long battery life for on the go listening: built in rechargeable lithium battery provides up to 20 hours of continuous playback on a full charge. Versatile music formats: supports digital music playback in MP3 and WMA formats with a display for easy navigation. Simple, stylish design: classic appearance that is simple, exquisite and fashionable. Multilingual accessibility: supports English (default), Spanish and Portuguese for familiar use. Core features Power supply: built in rechargeable lithium battery, enabling up to 20 hours of continuous playback when fully charged. Function: digital music playback in MP3 and WMA formats, with an integrated display. Appearance: classic design that is simple, exquisite and fashionable. Language support: English, Spanish, Portuguese (default English). Use scenarios Daily commuting: listen to playlists or podcasts for long rides without frequent recharging. Workouts and travel: compact and reliable for gym sessions or flights, with long battery life helping avoid interruptions. Language learning or multilingual use: switch between English, Spanish and Portuguese interfaces to suit your preference or learning needs. Notes This description preserves the original specifications: built in rechargeable lithium battery, up to 20 hours of continuous playback, MP3 and WMA playback with display, classic design, and multi language support (English default, plus Spanish and Portuguese).