NWZ-B143F

The NWZ-B143F is a compact entry-level model in Sony's B Series Network Walkman lineup. The B Series focused on affordable flash-memory players for basic portable audio use. It offers 4 GB of built-in storage supporting MP3 and WMA playback. Track and playback information appeared on a simple LCD display, with a lithium-ion battery providing up to 18 hours of use. File transfers occurred directly through USB connection. It also includes FM radio with recording capability and ZAPPIN for quick song previewing.

This player comes from the point when Sony's budget B Series had become almost aggressively direct. This was a player built around low-friction use: direct USB transfer, FM radio, a compact body, and just enough styling to keep it from feeling anonymous.