HiFi sound with deep bass and clear treble. A lowfrequency diaphragm delivers rich bass and crisp audio, for an immersive music experience indoors and outdoors. Bluetooth 5.4 wireless streaming. Enjoy stable, lossless audio transmission to headphones or speakers, providing a wire listening experience wherever you go. Extralong playback time. Builtin 1500mAh rechargeable battery supports over 64 hours of continuous music, ideal for long journeys, workouts, or daily use without frequent charging. Multiformat audio and video support. Plays APE, FLAC, MP3, WMA lossless audio and AMV/AVI videos (296x240 resolution). Includes a video converter for easy file compatibility. Use scenarios Daily commute or travel: enjoy extended wireless listening without frequent recharges. Gym or outdoor activities: reliable Bluetooth streaming to headphones or speakers during workouts. Home entertainment on the go: watch AMV/AVI videos with the included video converter for easy file compatibility.