GYEONGGI, Korea (AVING Special Report on 'KES 2007') -- Sony Korea presented its 4GB mp3 player ‘Walkman NWZ-S616F’ during KES 2007, which features direct USB connectivity without the need of any software. Adopting 1.82-inch LCD, the Walkman offers 33 hours of music playback and 9.5 hours of video playback.
