silks
CAGiversary!
Ships 04/22. It's $14.99 elsewhere. It can be used with Nintendogs, Metroid Prime: Hunters, and the upcoming Pokemon Diamond/Pearl.
http://www.amazon.com/Nintendo-DS-Headset/dp/B000MXSP2K/ref=pd_bbs_sr_1/102-8437565-6252956?ie=UTF8&s=videogames&qid=1175001462&sr=8-1
http://www.amazon.com/Nintendo-DS-Headset/dp/B000MXSP2K/ref=pd_bbs_sr_1/102-8437565-6252956?ie=UTF8&s=videogames&qid=1175001462&sr=8-1