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9021.90.40/In-the-Canal Hearing Aid Microphone/Japan

In-the-Canal Hearing Aid Microphone from Japan

Ultra-miniature omnidirectional microphone capturing sound for completely-in-canal (CIC) hearing aids. HTS 9021.90.40 designation as a hearing aid part compensating for auditory defects through wearable technology. Optimized for high humidity and wax resistance.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Specify IP68 water resistance ratings and wax guard compatibility in specs

• Include noise reduction algorithm integration details for classification support