90 GB Large Capacity Storage: MP3 player includes a 90GB TF card, equipped with 2 TF card slots, each supporting up to 128GB of expansion, for a total capacity of up to 256GB. This ample storage space can easily hold thousands of songs, satisfying your needs for extended listening sessions. Say goodbye to the hassle of frequent track changes and enjoy a truly uninterrupted music experience. Convenient Touch Buttons: MP3 player for kids dimensions, length 4.40inches (11.2cm), width 1.98inches (5.05cm) , height 0.37inches (0.96cm), weight: 83g. Equipped with a 2.4-inch color screen, backlit touch buttons, and no physical button wear, it can be easily used even in the dark. It features independent volume and power buttons. It integrates music playback, equalizer, bluetooth, file browser, e-book reader and more, making it ideal for travel, exercise, sleep and various other occasions. Bluetooth 5.3 Auto Reconnect: This mp3 player with bluetooth 5.3, offering a more stable connection, stronger compatibility, lower power consumption, and approximately 10 meters. Bluetooth mp3 player pairs with wireless headphones or speakers and automatically reconnects to the last paired device. This mp3 player may not be compatible with all car bluetooth systems due to differences in vehicle bluetooth protocols. (Note: connection to TVs, mobile phones, and computers is not supported.) 40-Hour Long Battery Life: MP3 player built-in 410mAh high-capacity battery provides up to 40 hours of music playback (with headphones). Even with speaker mode enabled, it can play continuously for 15 hours, meeting the needs of extended use. Battery life varies with volume. Equipped with a Type-C charging port, it can be fully charged in just 3 hours, efficient and convenient, allowing you to enjoy music all day long without worrying about charging. Multiple Music Formats: MP3 player has an independent equalizer function, which can quickly switch between various sound styles such as rock and jazz. It supports multiple mainstream audio formats such as MP3/WMA/APE/FLAC/WAV/AAC to meet the needs of various music styles. Music player built-in speakers provide clear stereo sound. HiFi sound quality brings a better listening experience. Ideal Gift MP3 Player: This mp3 players is designed specifically for kids and sports activities. It features a simple and easy-to-use interface that allows for quick access to favorite songs without complicated setup. It is perfect for activities such as running, cycling, hiking, and outdoor play, making it an ideal gift choice for children, family, and friends. mp3 player mp3 mp3 player with bluetooth mp3 player for kids music player digital audio player music player for kids kids music player kids mp3 player bluetooth mp3 player mp3 player with speaker mp3-player kids mp3 player with bluetooth portable music player