The Sony Walkman NW-A805 is a digital media player that allows its users to store 500 songs on the 2 GB built-in memory module. This media device offers a battery life up to 30 hours and features such as Equalizer Controls. In addition, the model is available in black with the following characteristics: 4.39 cm width, 8.78 cm height, 0.91 cm depth, 53.01 gm weight.