Phonak Audeo S Mini work perfectly, no issues, ideal starter set for moderate to severe hearing loss on a budget. Phonak as you may know is one of the higher-end brands, a dealer will advise that their technology is 10 years old, this set is 7 years old (new were $3800). One of tiniest models on the market, very discreet BTE, not much bigger than a thumbnail. Complete with batts, case, wax guards, speakers, domes, the works. You would need to call around for a Dealer who will set them up for you.