Specification Brand : RUYIOER BulletPoint1 : Dual noise reduction function: Newly upgraded smart chip, Sounds more natural and provides you with a wonderful experience. Excellent sound quality and comfortable listening. Suitable for all types of people with poor hearing, the earplug angle is adjustable and suitable for both left and right ears. BulletPoint2 : Adjustable mode: 3 different frequency modes and 4 volume controls can be selected to ensure clear sound can be heard in different volume environments. Comfortable size, easy to wear anytime and anywhere. BulletPoint3 : Rechargeable Hearing Aids:It is a USB rechargeable hearing aid, no need to change the battery frequently. The hearing amplifier is fully charged for about 2 to 3 hours, and it can be used for about 48 hours. BulletPoint4 : Easy to carry: The hearing aid is placed in a small box, making it easy to carry around. Adult hearing aids allow you to communicate with others easily and help you live a better life. BulletPoint5 : After-sales Service: If you encounter problems when using our ear hearing aids for adults, please feel free to contact us, we are happy to serve you. Color : Brown ControlType : Button Control FdaDeviceClassification : i FdaIndicationOfUse : otc FdaInstructionsForUseType : consumer FdaLabelType : consumer FdaPremarketApprovalNumber510k : 1 FdaPremarketApprovalNumberPma : D4211699 FitType : Behind-the-Ear IncludedComponents : 1/2 set Hearing Aids ItemName : Behind-the-ear hearing aid for Seniors, hearing loss compensation amplifiers for adults, rechargeable noise reduction hearing aids (Brown) ItemPackageDimensions_Height : 1.57 inches ItemPackageDimensions_Length : 5.12 inches ItemPackageDimensions_Width : 3.94 inches ItemTypeKeyword : hearing-amplifiers Manufacturer : RUYIOER NumberOfItems : 20 PartNumber : RUYIOER01-10 PowerSourceType : Battery Powered ProductDescription : hearing aids SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 42210000