

Product model | C-109H |
Working voltage | 3.7V |
Battery capacity | 60mAh |
Endurance | About 20 hours |
Maximum OSPL90 | ≤129dB + 3dB |
High frequency average OSPL90 | 110dB±4dB |
high-frequency average | 40dB±5dB |
Total harmonic distortion | ≤7%+3% |
Frequency Response Range | 450Hz - 3000Hz |
Equivalent input noise level | ≤29dB + 3dB |
Product size | 45.5×17.5×11 |
Weight | 5.16g |
M***n - United States - Mar 4, 2025
What I appreciate most is their consistency. The quality control is excellent, and they always meet deadlines. Having a supplier I can trust makes all the difference.c***u - United States - Jun 4, 2025
I have been working with Shen Rui for over a year now and it has been a very great process. The products are of amazing quality and the service, delivery, and customization really brings everything together nicely. Couldn't grow without them. Looking forward to a long term continuous partnership.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 timeG***i - Brazil - Jun 4, 2025
Delivery : Fast and secure delivery. Quality: Products always delivered in excellent condition, with no defects or issues. Service: Impeccable service — they always reply quickly and help me with everything I need.K***E - United States - Mar 26, 2024
Order received as described! Thank you for the fast shipment and excellent communication Marshall!J***z - Spain - Mar 5, 2025
This is a fabulous product, as my father, due to limited resources, used to refrain from spending €2000 on typical options. His friends say he is back in conversations and participates like he used to. The exceptional attention from the customer service team at Shenrui has been a gift for me and has also helped close friends who have ordered through me because they are older and do not navigate payment gateways well. Cheryl, in particular, has been the person who guided me through all my doubts and the entire process, making us more like friends than partners. I have nothing bad to say; it is a miraculous itemI***r - Australia - Apr 14, 2025
I was very happy with the customer service and the quality of the hearing aids. They were well packaged in neat professional packaging and clearly marked with each model number. The sales manager was very helpful and the order proceeded without a problem with fast deliveryM***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.r***n - Israel - Dec 20, 2024
I ordered a plate for hearing aids and got a great caring service with focus on details and needs. Delivery was very fast and the quality decent. I will order from them more in the future.m***e - Jordan - Jul 17, 2024
I received the shipment and it was very good and the shipping time was very fast and the manufacturer was also very nice dealing with the employee Lisa was very helpful with me thank you very much