Siemen s hearing aid offer more frequency shaping than any other comparable hearing aid in this class. It is equipped with noise reduction function and feedback cancellation system, both of which further add to a convenient listening experience. Resistant to moisture, sweat, dust and dirt. If you make an order please confirm for which ear you want to use the hearing aid (either left or right or both ears) and send us latest hearing loss report (audiogram) within 72 hours.And we will program your hearing aid after receiving your audiogram. If we do not receive any such report from your end then we dispatch ordered item(s) after 72 hours. And you have to program and fit the item(s) from your nearest audiologist or hearing care professional. N:B: For any custom made item(s) we need ear canal volumetric measurement details in cm/mm which includes ear canal length, width(radius) of the inner ear. For items listed in group - please mention specific item name or model for your order placed so that we can send that specific item(s) without any. Color and size of hearing aids may vary in actual. Please do leave your feedback after receiving your item. We are not liable for any variations item(s) descriptions. You must provide to me either a signed statement from a physician or a signed waiver before I will deliver this item to you. This item is in the category "Health & Beauty\Medical & Mobility\Daily Living Aids\Hearing Assistance\Hearing Aids". The seller is "brownstore_18" and is located in this country: US. This item can be shipped worldwide.