Vibrating cock ring

Hi all, was hopeing if anyone could recommend a good vibrating cock ring, I have to admit unless the OH had done some pre stimulating like clit or pussy pumping for a quicky we use a cock ring which more or less gaurantees she will get some satisfaction, our best ring died about a year ago and we've tried quite a few since that haven't lived up to the first, so could anyone recommend a good one to try, she's into anal also so any that can do both also could be good.

Cheers all