NB: They work with Apple products but not as well with Android.
Cheapest I found was $166 from Ebay US. http://www.ebay.com.au/itm/Harman-Kardon-Classic-CL-On-Ear-H…
Apple store are selling them for $299 http://store.apple.com/au/product/H8305ZM/A/harman-kardon-cl…
Review from CNET: http://reviews.cnet.com/headphones/harman-kardon-classic/450…
What's Included:
One set of Harman Kardon CL / headphones / Two user-exchangeable headbands (small, large) / One 4'7" (1.4m) cable / One premium carrying case / Owner’s manual
Highlights:
Sophisticated, modern design
Optimized driver system
Bass tube
Sonic clarity and accuracy even at low volume levels
User-replaceable metal bows
Self-adjusting housings
User-detachable, soft leather ear pads
Slow-retention premium foam
Apple three-button remote with built-in microphone
2D folding mechanism
Detachable cable with metal connectors
Premium carrying case
Item can only be shipped within the US sadly :(