(Transparent)wholesale price！Behind Ear Hearing Aids listening Assistance Sound Amplifier Adjustable frequency Hearing Aids For Deaf S-520 MAS

Brand, high quality earphones!Welcome to do OEM, wholesale, retail!Hearing Aid Amplifier Wear Comfortable Clear Sound Earphone Hear Care Hearing Aids Quiet Headphone S-520 New Arrival1. Ear hook and shell copper column connection, solid structure.2. high-fidelity microphone, small distortion, low noise;3. Comfortable adjustment, can reduce noise.4. BTE analog hearing aid, beautifully designed for moderate to severe hearing patients.Products technical parameterMaximum saturated sound pressure level (dB): ≤ 130dB + 4dBMax Gain: 48+5dBEquivalent input noise: ≤32dBTotal harmonic distortion: ≤ 5%Frequency response range: 450Hz ~ 3500HzRated power supply current: ≤3mAPackage Including1* Deaf-aid earphone1* Zinc air hearing aid battery A6753* silicone different size ear plugs (small, medium, big)1* cleaning wax brush1* green gift box1* English manual1* FEIE warranty cardHearing Aid Amplifier Wear Comfortable Clear Sound Earphone Hear Care Hearing Aids Quiet Headphone S-520 New ArrivalNote:1) It is super mini size and light weight, not easily to be seen;2) Adjust the volume to the minimum before wearing;3) Increase the volume gradually to avoid sudden increase in suond;4)When you not use, take battery out of saving power;5) Convenient for watching moive, enjoy the drama, attending meeting, watching TV or haveing class;It can help you hear the sound clearly and loudly !Problem if you met:Pls read the manual at first if don't know how to use it or contact our customer service.If you feel the whistling sound:1. Choose a suitable ear plug to make the product sealed in the ear canal2. Low down the sound volume3. When you put into battery , please be quick , to put the product into the earNote:Adjust volume to the minimum before wearing.Choose an earplug of slightly bigger size to avoid whistler.Increase volume gradually to avoid sudden increase in sound.Keep the ear plug cleanRemove the battery if you don't use it for long time.Shipping & payment & returnWarranty & return:This product will have 12 months guarantee, any probl with the device, we will repaire for you for free during the warranty.1) 100% of all delivered products are in good quality and under strict checking before sending.We will try our best to avoid quality problem.Feedback:1)Please leave us positive feedback and 5 star rates, if you are satisfied with our item and service.2)Please CONTACT US before leaving any 1,2,3 ratings, neutral or negative feeback or open an dispute, we understand your concerns, so we will do our best to resolve the probl for you, thank youAny probl you met, pls contact us at once, we are very responsible seller and we are professional in medical hearing aid supplies.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.