I'm looking for something that I can use with my N810 and phone that's under $20.

There's nothing good at any B&M stores I can find (all seem to take AAAA batteries).

I preferably want one that has the bud thingy that goes into the ear, but it's not an absolute necessity.

Buy.com has several and I'm having a hard time choosing (even after much googling).

Any suggestions / positive experiences would be appreciated.

///EDIT:
I realized after posting, this should probably be in B/S, but it won't let me del it.

///EDIT:
I almost forgot... I need to either be able to use cash or PayPal to pay for it. (No bank acct / CC)... didn't think I'd make it easy, did ya?