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9021.90.40.40/ReSound Smart 3D Ear Mold/China

ReSound Smart 3D Ear Mold from China

Custom 3D-printed ear mold for ReSound hearing aids, providing acoustic seal and comfort for in-ear models. Classified in 9021.90.4040 as an implantable/carried part compensating for hearing defects per orthopedic appliance definition.

Duty Rate — China → United States

12.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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Import Tips

• Submit CAD files or scan data proving custom hearing aid fit; comply with biocompatibility ISO 10993 testing; declare patient-specific if applicable for duty relief