Hi Fi sound quality This MP3 MP4 player delivers fidelity audio for a clear, detailed listening experience across genres. Enjoy rich, accurate sound without distortion. Bluetooth function Built in Bluetooth enables wireless connection to headphones or speakers for convenient, cable listening. Pairing is fast and reliable for everyday use. Built in speaker An integrated speaker lets you listen without headphones, ideal for sharing music or quick listening sessions. USB charging USB charging provides flexible power options, so you can charge from a computer, power bank, or wall adapter wherever you are. What you gain Supports MP3 and MP4 formats for versatile playback Wireless Bluetooth connection for compatible headphones and speakers On device listening with the built in speaker when you don't want to use headphones USB charging for convenient power on the go Key attributes Function: MP3 MP4 playback with fidelity audio, Bluetooth wireless audio, built in speaker, USB charging Compatibility: Works with standard Bluetooth headphones and Bluetooth speakers Size and portability: Compact design suitable for everyday carry Performance: Clear, detailed sound with minimal distortion Use scenarios Daily commute or workout: use Bluetooth headphones to enjoy music without cables Home or office listening: connect to a Bluetooth speaker for larger sound or use the built in speaker for quick listening Travel and on the go: USB charging lets you power up from a computer, power bank, or wall adapter, keeping your music ready wherever you are