what are the best rechargeable hearing aids?
['Oticon rechargeable hearing aids.', 'ReSound rechargeable hearing aids.', 'Signia rechargeable hearing aids.', 'Widex rechargeable hearing aids.', 'Starkey rechargeable hearing aids.', 'Unitron rechargeable hearing aids.', 'Philips rechargeable hearing aids.', 'Beltone rechargeable hearing aids.']