Up to 4GB on-board storage. Enhanced sound quality with Bass Booster. Up to 23 hrs battery life, 3 min quick charge.
working and tested
sony walkman mp3 player w/ built in usb nwz-b183f
SONY B183F 4 GB MP3 Player - SONY
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Sony NWZ-B183F Walkman MP3 Player with Built in USB 4GB Internal Memory FM Radio - MSL Digital Online Store
Lightweight USB Walkman featuring Bass Boost function, 4GB capacity and up to 20 hours’ battery life.
WALKMAN WITH BUILT-IN USB
Sony NWZ-B183F 4GB Direct USB flash MP3 Player Colorfull Metal with FM Radio
Walkman with Built-in USB, NWZ-B183F
Sony NWZ-B183F 4GB Walkman USB MP3 Player
SONY B183F 4 GB MP3 Player - SONY
Sony Walkman Built in USB NWZ-B183F Red 4GB, Audio, Portable Music Players on Carousell
Only 98800.00 usd for SONY Flash MP3 Walkman with Built-in USB NWZ-B183F Online at the Shop
Sony Walkman with Built-in USB NWZ-B183F - Department Store
Sony NWZ-B183F B183F Flash MP3 Player with Built-in FM Tuner (4GB) - Black : Electronics