Sony has just introduced new ultra-compact with high sound quality mp3 players, the Walkman B140 Series. Comes in four appealing color choice, the new Sony Walkman B series capable to music playback time up to 18 hours. In the “Power save mode” setting, the Walkman capable to play music up to 90 mins with only 3 mins charge.

The Walkman B series can connects via USB to micro/mini audio systems that support USB Mass Storage Management and Ripping/Up-Streaming, with the result that You don’t even need a computer to load up with your favorite tunes. This Walkman B140 series also has an FM radio tuner and a tuner Rec function for record the favorite broadcasts.

Walkman B140 series equipped with five selectable equalizer modes to flatter any listening preference and ZAPPIN technology, is a unique Sony feature that plays a few instantly-recognisable seconds from within each song. Sony walkman B140 series mp3 players will be available from end July 2009. No word on pricing so far.