We are all baffled by the comments you've made about not getting a trial period. I don't know of a single state that doesn't require a minimum 30 day trial period, but I could be wrong. Where do you live? Don't by anything you cannot try in regular situations for at least a month. ReSound LINX 3D aids are quality hearing instruments, but it sounds like you are dealing with a very unscrupulous provider. Go elsewhere. Did this provider inform you about telecoils? Another blank in the script if they did not. Go elsewhere.