Not as high profile as the NWZ-A810 and NWZ-S610 series walkmans; Sony today also released the NWZ-B100 series. The NWZ-B100 series are small USB direct connect players, with a three-line color LCD display and an FM tuner (with built in recording capability). Estimated battery life is around 12 hours.
The players support drag and drop transfer of non-DRM files and most subscription services.
The NWZ-B100 series of Walkman music players come in two different capacities and colors:
The NWZ-B103F player has a total capacity of 1GB, comes in black, and costs about $60.
The NWZ-B105F player has a total capacity of 2GB, comes in black and white, and costs about $80.
Source: Sony Press Release