Portable Rechargeable Hearing Aid Sound Amplifier Magnetic Rechargeable Elderly Ear Hearing Aid For The Deaf

Product parameters:
Full-scale gain: ≤40±5dB
Frequency response range: 300-3600Hz
Total harmonic distortion: ≤7%+3%
Equivalent input noise level: ≤29±3dB
Current consumption: ≤5mA
Battery Model: H40
Charging time: 3h
Charging bin charging times: 5 Times

SpecificationCharger: DC 5V150mA~1AWeight: App. 6.5gSize: 15x40x10mmMaximum Gain: 35±5dBTotal Harmonic Distortion: ≤5%

About Your Shipment:Preparation Time: The delivery will take approximately 1 week after payment is made, and will be shipped via air express. Please ensure your address is correct when placing your order. If you need to make changes before shipment, please inform us of the updated address.Contact Us: We strive to provide excellent service. If you have any questions, please feel free to reach out to us. We will respond promptly and do our best to resolve any issues.About Guarantee: Failed to receive after 60 days of purchase date or not satisfied. We will either issue you a refund or resend a new item. Guaranteed!Why Buy From Us? 7 days Money Back Guarantee after receiving your order. 12 Month Manufacturer Warranty!Please note:If the address is a remote address it will be a little more charge postage than shipping options rate.