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C-109 Behind-The-Ear Super Power BTE Hearing Aids for Severe Hearing Loss

Product model C-109
Working voltage 3.7V
Battery capacity 55mAh
Endurance About 25 hours
Maximum OSPL90 ≤129dB+3dB
High frequency average OSPL90 117dB±4dB
high-frequency average
Total harmonic distortion
Frequency Response Range
Equivalent input noise level
Product size 50.5×20.9×9
Weight 8.91g


C***o - Bolivia - Feb 18, 2025

I appreciate the quality of their packaging.

J***Z - United States - Jul 15, 2021

Good product and good service as usual. Will continue to keep working with the supplier.

K***E - United States - Mar 26, 2024

Order received as described! Thank you for the fast shipment and excellent communication Marshall!

K***E - United States - Jan 9, 2025

Thank you Marshall for the great communication and fast shipment! Product was as expected. Very good quality! Always a pleasure doing business.

M***H - India - Jun 10, 2023

Great product. With 4 modes of hearing gives really flexible options to adapt to the surrounding. Particularly masking mode really very effective .Added to this gives mobile app control and tuning features. Bluetooth is a bonus.

a***e - Georgia - Mar 5, 2025

Delivery : Quality: Design: the great partners with whom i working 5 years, good quality and excelent service, excelent staff and great service. i enjoy working with shenrui company

c***n - United States - Apr 23, 2025

This is hands down the most satisfying hearing aid supplier I've ever worked with in China. What makes them stand out is how seriously they take certifications, product quality, and delivery service. Unlike some smaller factories that slash prices but forget this is medical equipment needing real responsibility towards people with hearing loss, Jinhao actually cares. I really hope we can keep this partnership going strong for the long haul, and honestly, I also wish things between the US and China stay stable – it’s better for business all around

D***d - South Africa - Aug 22, 2024

The hearing aids are amazing, great quality, great price. Even comes with an app that does a hearing test allowing you to set the hearing aids to your hearing. You can receive calls directly to the hearing aids via blue tooth from your cell phone. I have been using hearing aids costing 10 times what these cost, and these are close to being as good as the very expensive ones. Delivery was well within the promised time

v***r - New Zealand - Mar 3, 2025

received this product on 3 March 2025, and ordered the product on 10 feb 2025. Use this product for 10 minutes now. It is Good for use but still compared to my other hearing aid it need to amplify more sound . I made it full volume and change modes also. Sound quality is good and soft .

G***r - Puerto Rico - Nov 8, 2024

Rocky, today I’ve finally activated my hearing amplifiers, let me tell you, what you sold these are wonderful..! State of the art..! Excellent is the word..! I am very happy for which I thank the company you represent, for manufacturing with such high quality standards