Sony has unveiled its new S, E and B series Walkman players. Over the years, this concept has evolved, materializing in high-end media players that offer attractive designs and outstanding sound quality to their users. The electronics-maker is introducing S-, E-, and B-Series PMPs, all featuring MP3 and WMA playback, drag-and-drop file management, and a variety of storage capacities. It features e integrated active noise cancellation, a 2-inch QVGA LCD screen, and 7.5mm thickness. Two models are available, the 4GB NWZ-S736 that costs $150 and the 8GB NWZ-S738F that is priced at $180.
The E series Walkman players are said to deliver high-quality video and audio performance.

Apart from facility to transfer Non-DRM files with drag-and-drop operations, the player also support Windows Media Video (WMV) with DRM. The NWZ-E436F (4 GB) comes in black, red, pink, blue for the price of $100. The 8 GB, NWZ-E438F version comes in black, red and pink color. It is priced at $140.
The B series is entry-level music player that supports only WMA and MP3 music. The NWZ-B133F with 1GB memory costs $45 and the 2GB NWZ-B135 costs $60.
The S series offers support for a wide range of audio and video codecs, these players also being compatible with WMV and DRM, thus allowing you to enjoy rights-protected movies and video clips from other media collections.