(LEFT EAR)Best Quality Mini CIC Hearing Aid Invisible Hearing Aids Sound Amplifier Good as Siemens Resound Phonak Hearing Aid MAS

MeloSound CIC Invisible Hearing Aid Portable Small Inner Ear Sound Amplifier high performance digital Hearing AidsItem Parameters:Working Current: 1.36mABattery: A10Harmonic distortion: ≤3%Frequency range: 200Hz - 7645HzSound gain: 40dB ± 5Equivalent input noise: ≤26dBSaturated sound output: 112dB SPLHigh frequency average gain: 35dB ± 5Kindly noticeAbout Whistle , its very very normal condition.you can do this 3 steps to remove it .1 , Choose a suitable earplug to make the product sealed in the ear canal2 , Low down the sound volume3 , Put the product into the ear quicklyAbout 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.