Please Help With Ds Headset (MkDS)!!!!!

Please somebody add me to there freinds list.

I just got this little headset thingy and I wanna see if it it works. I have mario kart

ds, diidy kong racing,zelda and mario vs dk march of the minis for wifi games. Seems like

I only been playing mario kart really. Anyway please add me so I can see if this works and

so we can race on mario kart ds-

My freinds code is

425319779876 mk (freestile)

*OnE*