http://www.thinkgeek.com/images/prod...ne_handset.jpg

Dial "R" for Retro

Yeah, we know all about bluetooth headsets for cell phones, but forget that stuff! We have here the latest development in cell phone technology and it's a big hunk of beautiful plastic. An accessory for your phone that you can really grab onto. Something with heft and that good old American solid construction feel - like a 1972 Cadillac.
The Retro Phone Handset is a new production replica of the Western Electric 500-series model, which was the classic phone handset for several decades. It's been slightly modified to work with the headset jack of most cell phones (or via a "hands free" adapter kit, sold elsewhere). Just plug-in and dial - or for added effect, put your cell phone in your pant's pocket - then it looks like you're talking on a phone connected to... well, who knows?

Also has these great features.

2.5mm jack will work with most phones (Motorola, LG, Nokia)
Connection can also be made using a "hands free" adapter kit (not included)
No batteries required
Includes: handset and classic curly phone cord with connector

http://www.thinkgeek.com/gadgets/electronic/7830/