Product Description: Bluetooth 5.4 MP3 Player with HiFi Sound and 128GB Support Discover the ultimate portable music experience with our Bluetooth 5.4 MP3 Player. Designed for music enthusiasts who demand high-quality sound and versatile functionality, this compact device is perfect for any lifestyle. Large Storage Capacity: This MP3 player supports up to 128GB of memory card expansion, allowing you to store over 10,000 songs. It supports multiple music formats, including MP3 and WMA, ensuring compatibility with your entire music library. The built-in 500mAh battery provides up to 48 hours of playback time after just 2 hours of charging, so your music is always ready to go. HiFi Sound Quality: Enjoy an exceptional audio experience with the built-in premium speaker and powerful sound decoding chip, delivering HiFi sound quality. For private listening, the 3.5mm earphone jack allows you to immerse yourself in your favorite tunes without any distractions. Bluetooth 5.4 Connection: Equipped with Bluetooth 5.4, this MP3 player offers stable transfer and anti-interference capabilities, ensuring uninterrupted music streaming. Please note that the Bluetooth function supports only Bluetooth earphones and speakers, providing seamless wireless connectivity. Multi-Functional: Beyond music playback, this player is packed with practical features including a calendar, stopwatch, clock, FM radio, picture viewer, and electronic book reader. These additional functions make it a versatile companion for everyday use. Compact Design: Featuring a 2.01-inch IPS screen, this MP3 player is compact and lightweight, making it incredibly easy to carry. Its portable design is ideal for exercise, running, travel, and hiking, allowing you to enjoy your music wherever you go. Elevate your music experience with our Bluetooth 5.4 MP3 Player, combining high storage capacity, exceptional sound quality, and multifunctional capabilities in a sleek, portable design.