Enliven your travel moments with the Sony NWZ – B172 MP3 player. This black coloured marvel from Sony is lightweight, portable and provides great added features. Using its 2 GB internal memory, you can keep all your favourite music files. The rechargeable lithium-ion battery has great power and even has a quick 3-min charge for up to 90-min playback. You have 18 hours of audio playback and can charge you’re your PC or laptop with the advanced USB-based charging facility. You can easily drag and drop music files with the built-in USB. With added attractions like the voice recorder and FM tuner, you can enjoy the best of media entertainment.