Works perfectly for my wireless unit.
The jack is pretty good quality, and the mini xlr seems very high quality. I've only used it a handful of times but it is doing the job for me.
Seems a bit pricey considering similiar products just with a normal sized xlr is about 1/5 of the price.
Still, i'm happy with it so far, it feels like good quality and I don't think it'll let me down.