SMALL AND PORTABLE: This 1.8 inch small MP4 MP3 player is small and easy to carry, allowing you to enjoy music and videos anywhere. The ideal companion for your commute or outdoor travel HD SOUND QUALITY, MULTI FORMAT COMPATIBILITY: The player supports not only MP3, but also quality sound formats such as WAV, FLAC, WMA and APE, giving you a lossless music experience. At the same time, the AVI video format support allows you to watch your favorite movie short clips BT CONNECTIVITY FOR SEAMLESS EXPANSION: The built in BT feature of the MP3 MP4 player allows you to wirelessly connect headphone or speakers, get rid of cords and enjoy a more convenient sound experience. Don't worry about distance, enjoy the WL of listening LARGE STORAGE CAPACITY: The BT MP3 MP4 player supports up to 64GB small memory card (not included) expansion, which means you can store thousands of songs or multiple hours of video content to meet your needs for multimedia content and create your mobile entertainment center LONG LASTING POWER: The WL BT MP3 MP4 player built in 350 mAh li ion battery provides excellent battery life, ensuring that you can enjoy music or videos for a long time without frequent charging, making the fun last longer