Sony NWZ-B183F Walkman 4GB Digital Music Player (Black) Colour:Black   Superior Sound Quality: Enjoy your favourite music on the move with the Sony Walkman MP3 player. Superior technology is meant to make your life easier. With just a push of a button, enjoy the deep bass and vibrant acoustics of your music from this MP3 player. It is equipped with Bass Boost sound effect and a 5 band equaliser for customized musical pleasures. Engineered with USB 2.0 technology, you can easily connect it to your laptop or PC and transfer your music files to it. It has a RAM of 4 MB and internal storage capacity of 4 GB. The internal memory is vast enough to store hundreds of your songs and music tracks.