?Long Battery Life?This Bluetooth MP3 player allows you to enjoy up to 40 hours of high-quality lossless music.Fully charged in 2 hours, it is the perfect companion for music lovers on sports and travelling. ?HIFI Lossless Sound Quality & Built-in Speakers?The Bluetooth MP3 player adopts ATJ high-fidelity audio chip, HIFI sound quality, enjoy the auditory feast. Support MP3, WMA, WAV, APE, FLAC, AAC-LC, M4A, OGG and other formats to play music. This MP3 player with built-in HD Speakers, you can listen to music without headphones, no longer need to endure the pain of wearing headphones for a long time. ?Fast & Stable Connection Bluetooth 5.0?This MP3 music player adopts Bluetooth 5.0, faster transmission speed, more stable connection signal, play music faster and smoother. Don't worry about signal delay, music delay, enjoy quality music to your heart's content. ?64GB Large Capacity MP3 player? Equipped with 64GB large-capacity storage space, with TF Card up to 128GB expandable, easy to save thousands of songs, put your favourite songs into it, customize your own personal music compilation, and listen to it whenever you want. ?Multi-function & Portable MP3 Player?Combines many functions in one: MP3 music player, enjoy music anytime and anywhere; Recorder, to record external sound, a good partner for your class and meeting; FM radio, search for more radio stations (need to plug in wired headphones); It also has e-book, calendar, stopwatch, alarm clock function. Weighing only 85 grams, it is compact and lightweight. This multifunctional music player is a practical tool for your work, study and daily life.