Check the listing for details. Vintage Beltone SLIMETTE Hearing Aid Eyeglasses 1/10 12K GF Browline Frames. Condition: Used, Made in USA. Listed at 69.95 USD. Discover a unique piece of medical history with these vintage Beltone SLIMETTE hearing aid eyeglasses. These remarkable frames combine classic browline style with integrated hearing aid technology, representing a significant advancement in discreet hearing assistance from their era. The frames feature a stylish gray marbled top rim and silver-tone metal details, with 'Beltone SLIMETTE' clearly marked on the side. The bridge is stamped 'S/G USA 1/10 12K GF', indicating quality construction with 12-karat gold-filled components. While the eyeglasses appear to be in good vintage condition for display, the hearing aid functionality is untested and sold as-is for collectible purposes. This is a fascinating item for collectors of medical devices, vintage eyewear, or historical technology.