This is a Sonova AG hearing aid receiver, specifically a Phonak SDS 4.0 Medium size for the right ear (part number 054-0804).It is a spare part designed to be compatible with Phonak Marvel, Paradise, and Lumity RIC (Receiver-in-Canal) devices.The package contains one piece intended for repairing or replacing the sound-delivering component of a hearing aid.Ensure to double-check the physical label to confirm this part number (054-08034) is the correct size and side for your specific hearing aid model.
