Store over 10,000 songs with memory expansion up to 128GB microSD card (card not included). Supports MP3, WMA, WAV, APE, FLAC, AACLC, M4A, OGG, and more formats, letting you load your favorite music and create your own music space. The builtin 500mAh battery charges in about 2 hours and provides up to 48 hours of playback. HiFi lossless sound quality: Builtin quality speakers and a powerful decoding chip restore the original HiFi sound. 3.5mm headphone jack for wired listening. Recording function with lossless sound quality, clearly reproducing human voice. Bluetooth connection: Bluetooth 5.4 enables stable wireless listening with minimal interference, so you can enjoy music without worrying about signal drops. Multifunctional: In addition to playing music, it includes calendar, stopwatch, alarm clock, FM radio, pictures, and ebooks, offering a versatile experience for daily use. Giftready and practical: a reliable option for children, family or friends who want a capable, portable music player. Use scenarios: Daily commute or travel: load thousands of songs, pair with Bluetooth headphones, and enjoy wireless listening on the go. Exercise and outdoor activities: long battery life supports extended listening during workouts or outdoor outings. Study and leisure: use FM radio, ebooks, and the calendar or alarm to stay organized while enjoying music.