Sony ACU501AD Super Compact 5W USB Charger for Walkman or iPod MP3 players
Compatible with many USB-enabled digital music players. Walkman: NWZ-E300 Series, NWZ-S500 Series, NWZ-X1000 Series, and NWZ-W200 Series digital music players. iPod: iPod nano (1st, 2nd, 3rd generations), iPod classic, iPod (4th, 5th generations)