You are considering the Unitrol Moxi Dura Hearing Aids shown in the pictures. This includes both the left & right Pair hearing aid. I put new batteries in and they both came on. I adjusted the volume and both units worked. The listing includes both the case and batteries shown  (expired July 23). Buy from trusted Ebay sellers offering excellent service after the sale. We are also Paypal Verified and also offer Ebay's 30 day no hassle return policy for even more buyers confidence.