This HiFi MP3 Player delivers lossless, definition digital audio with DSD support in a compact, sport ready package. Built for active listening, it combines solid storage capacity with a portable design to keep your music with you on the move. Key benefits Lossless audio with DSD support for faithful, sound definition digital audio to reveal details in your favorite tracks Sport friendly and portable for workouts, runs, and outdoor activities Builtin 64GB storage with expandable capacity up to 256GB for larger music libraries Simple, reliable playback with a straightforward user experience Key attributes Functionality: HiFi MP3 player with lossless and DSD definition audio Compatibility: designed to deliver fidelity audio experience on the go Size: compact, portable form factor suitable for sports and travel Storage: builtin 64GB; expandable up to 256GB Performance: aims to provide fidelity sound in a portable listening device Two to three use cases During workouts and outdoor activities: small, lightweight player that delivers sound without the bulk of a larger system Travel and daily commuting: large enough builtin storage, with expansion to hold a substantial music library for long journeys Home or office listening: a dedicated player for fidelity playback away from a phone or computer Specification snapshot Storage: builtin 64GB, expandable up to 256GB Audio: HiFi MP3 player with lossless and DSD definition digital audio Use case: sport oriented, portable music player designed for active listening Notes This description reflects the product's stated features and capabilities: HiFi MP3 playback, lossless audio, DSD support, definition digital audio, sport use, expandable storage up to 256GB, with 64GB builtin.