Premium models with Bluetooth connectivity and rechargeable batteries hold much higher resale value than basic or older models.
If your hearing aids are older (over 5 years) or no longer functional, many "buy-back" companies will not purchase them. In these cases, is a highly impactful alternative. we buy used hearing aids
Some local clinics buy back used devices to use for parts or as temporary "loaner" units for other patients. we buy used hearing aids