The Naxa music player is a state-of-the-art personal audio system and is a solid choice for delivering quality sound and taking the music along when you are out and about. Campers and music lovers alike will be entertained by the tonality and sound quality of this Naxa boombox. The Naxa music player is a wonderful device at home or on the go. You can keep all your tracks going for extended periods of time since this Naxa NPB-257 takes replaceable batteries. This Naxa boombox is just the right size and well-designed, and it allows you to take it for access to your tunes wherever you are and enjoy it in almost any setting. The Naxa music player is power-backed to handle any listening environment, so you can turn up your melodies and beats as loudly or softly as you wish. With support for the MP3, ACC, WMA, MPEG1, and DivX file format, this Naxa NPB-257 is ready for the digital music revolution, so you can broaden your listening options with a digital music player.