This HiFi MP3 player with Bluetooth offers longlasting playback, broad format support, and convenient features in a compact device. Key features and benefits Large, expandable storage: Store over 10,000 songs and expand with a memory card up to 128 GB (memory card not included). Wide format compatibility: Supports MP3, WMA, WAV, APE, FLAC, AACLC, M4A, OGG, and more, so you can keep your entire library in one place. Long battery life and quick charge: Builtin 500 mAh battery charges in about 2 hours and delivers up to 48 hours of playback. HiFi lossless sound: Built with quality speakers and a powerful decoding chip to restore a true HiFi listening experience. A 3.5 mm headphone jack allows private listening with headphones (not included). The builtin recording function also provides lossless sound reproduction of voices. Bluetooth 5.4 connectivity: Stable wireless performance to enjoy music without wires. Bluetooth connectivity supports only Bluetooth headphones and Bluetooth speakers. Practical multifunction device: In addition to playing music, it includes calendar, stopwatch, alarm clock, FM radio, pictures, ebooks, and more. A versatile gift for children, family, or friends. Use scenarios Daily commute or travel: Carry a large music library with room to grow, rely on long battery life, and listen through Bluetooth headphones or the builtin speaker when needed. Workouts and active listening: Use wireless Bluetooth headphones to exercise without cables while enjoying quality sound and stable connection. Study, relaxation, and downtime: Use FM radio, ebooks, and calendar features to organize time, read on the go, and keep track of tasks, all in one portable device. This MP3 player with Bluetooth delivers straightforward, reliable performance with clear benefits: substantial storage, broad format support, long battery life, quality sound, wireless convenience, and a suite of practical features.