I have had a bad experience with Brominer and don't recommend it. I may have been using it incorrectly, but multiple times from multiple computers to multiple wallets I have put in my wallet address on the pages main site an clicked "Start Mining". Not once has any of the XMR the site said I earned ever been transferred to the indicated address. There may be extra steps involved, but they are not clearly depicted on the site, my experience is that the main landing page of the site is a scam, or at the least maliciously unclear in how to operate it. Two thumbs down for me and a recommendation for others not to use the site.