US FDA 510(K) Cleared

Bone Conduction Hearing Aid

OpenHear BM400 Series

Open Your Ears to the World

Hear openly. Live comfortably.

OpenHear offers prescription-grade, non-surgical, professionally fitted bone conduction hearing aids with a discreet headphone-style form factor — bringing clinical precision to everyday wear.

Prescription-Grade Non-Surgical Professionally Fittable Discreet Headphone Appearance

The Cutting-edge Bone Conduction Technology

Sound travels directly to the inner ear through your skull — bypassing the middle and outer ears entirely.

Clear access Natural awareness Open canal

Learn more

Non-Surgical & Non-Invasive

No implants, no surgery, no recovery time. Simply wear it like a pair of lightweight headphones — and begin bone conduction hearing instantly.

No surgery Easy to try Everyday use

Discreet Headphone Design

No one has to know it's a hearing aid. With its modern headphone look, you can wear it confidently at work, at home, or on the go— advanced technology, everyday style.

Modern style Confidence Discreet

Open-Ear Comfort

No more plugging, no more pressure. Keep your ears dry, ventilated, and irritation-free — perfect for all-day wear

Seamless Bluetooth Audio Streaming

Stream music, take calls, and stay aware of your surroundings — all through one device. No extra earbuds needed.

Fast Charging

Powered by a 235mAh battery with fast-charge technology — 5 minutes of charging gives you 1 hour of use. Less waiting, more listening.

Who can benefit from OpenHear

OpenHear Bone Conduction Hearing Aids are intended for users with conductive hearing loss, or mixed and sensorineural hearing loss in whom bone conduction thresholds do not exceed 60 dB HL.

Indications:

1) Patients above 6 years old with Conductive or Mixed Hearing Loss. The pure tone average bone conduction hearing threshold (measured at 0.5, 1, 2, and 4kHz) should be ≤ 60 dB HL.

2) Patients 18 years and older with Sensorineural Hearing Loss. The pure tone average bone conduction hearing threshold (measured at 0.5, 1, 2, and 4kHz) should be ≤ 60 dB HL.

BM400 Series —— Model Comparison

BM420

BM410

BM400

Dual Mode Switching / Manual Program

/

Directional Microphone Technology

/

Transient Noise Suppression

/

Bluetooth Audio Streaming

/

Battery Life

14 hours

Charging Port

USB-C

Hearing Aid Microphones

4

*DUAL MODE : This product allows you to preset two listening modes, which can be easily switched with a physical button—ensuring an optimal hearing experience in multiple social occasion.