(USB)Mini Hearing Aid Portable Sound Amplifier Apparatus Rechargeable Headphones Aids Elderly Wire

Product Features:1. Long standby time2. Safe charging3. Digital chip4. Intelligent noise reduction5 Anti-howlingSpecification:MaxSound Output: 130±5 dBMaxSound Gain: 55±5 dB Harmonic Wave Distortion:≤10％(1000Hz)FrequencyRange: 300-4500 HzInput Noise:≤30 dBWorking Voltage: dc1.5V Working Current:≤3mA Color: As the picture showsItem Size: 3.8 x 2.1 x 0.9 x 3cmPackage Size: 19 x 8.2 x 2cmNet Weight: 9gNote1.Adjust volume to the minimum before wearing.2.Choose an earplug of slightly bigger size to avoid whistler.3.Increase volume gradually to avoid sudden increase in sound.4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. 5.Keep the ear plug clean6.Remove the battery if you don't use it for long time.About shipping
Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very important to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.