This blue Sony MP4 is a good choice for providing clean audio on-the-go and whenever you want. It's equal parts fun and nimble. Because the Sony Walkman NW-A1000 music player has a long battery life, you can chase boredom away at cafes, home, or the bus stop. Because this Sony MP4 includes a huge internal storage capacity, you can save many albums for your enjoyment whenever you like. With the crystal clear digital signal processing found on this digital media player, you can hear your desired tunes and music with exhilaration. The Sony Walkman NW-A1000 music player makes it easy for you to hook up to your computer and create your playlists with its USB 2.0 support. This digital media player is compatible with ATRAC3, WMA, MP3 music files as well as others, enabling you to take advantage of a large range of song titles available from many different sources. This Sony MP4 is capable of saving approximately 1,500 titles, so you can upload a huge amount of music onto it. Moreover, the Sony Walkman NW-A1000 music player is just the right size, which means you are able to fire it up anywhere you desire.