SONY CO maked a walkman that Charge in minutes and capable to let you listen music for hours. This thumb size MP3 player with battery life 50 hours on a full charge. The quick charge function gives you three hours of playback after charging for just three minutes. Sony bolstered the lithium-ion battery's life using software that allocates precise amounts of power, based on what the player is doing (rather than operating at full power all the time). It supports MP3, WMA, WAV and ATRAC3 formats. Price $120 (512MB) and $150 (1GB).

This walkman is the part of todays letest music listining tools like ipods,flash mp3 players ,cell phones etc.now we can easily store a number of sound tracks(even vedio) in small and smart devices with no worries of battery replacement due to rechaging ability.NOW we can easily switch to our favourite track along thousands of tracks just in seconds & fwd and reverse function becomes as easy as eating grapes. Development in technology made it MORE easy to listen music..