- STORE OVER 10,000 SONGS: This MP3 player supports up to 128GB memory card expansion (card not included), allowing you to store thousands of your favorite tracks. Compatible with multiple music formats including MP3, WMA, WAV, APE, FLAC, AAC-LC, M4A, and OGG, you can easily create a personalized music library. The built-in 500mAh battery charges in just 2 hours and provides up to 48 hours of playback time. - HIFI LOSSLESS SOUND QUALITY: Experience exceptional audio with high-quality speakers and a powerful sound decoding chip that restores original HIFI sound quality. A 3.5mm headphone jack allows for private listening with your own headphones (not included). The recording function captures clear human voice with lossless sound quality, enhancing your overall listening experience. - BLUETOOTH CONNECTION: Enjoy wireless freedom with Bluetooth 5.4, offering stable transmission and minimal interference. This MP3 player connects easily to Bluetooth headphones and speakers, allowing you to experience your music without the hassle of tangled wires. Please note, Bluetooth functionality is limited to compatible devices. - MULTI-FUNCTIONAL: This HiFi MP3 player is not just for music; it includes a calendar, stopwatch, alarm clock, FM radio, image viewer, and e-book reader, making it a versatile gadget for everyday use. It serves as an excellent gift option for children, family, or friends, catering to various interests and needs. Use Scenarios: 1. During workouts, connect your Bluetooth headphones for a wire-free experience while enjoying your favorite playlists. 2. Use the alarm clock feature to wake up to your preferred tunes, and the FM radio to stay updated with the latest news or music. 3. Take advantage of the e-book reader during your commute, making productive use of your travel time.