Specification AudioSensitivity : 30 decibels BatteriesIncluded : 1 BatteriesRequired : 1 Brand : RUYIOER BulletPoint1 : [Rechargeable] Adopts newly upgraded wireless magnetic charging. Simply place your hearing aids into the stylish charging case and charging mode will automatically turn on. It takes 2-3 hours to fully charge and can be used for 20 hours. BulletPoint2 : 【Easy to operate】Automatically turns on when taken out of the charging box, and automatically turns off and charged when put back. When changing the volume, just turn the knob and adjust without any tools, especially suitable for the elderly and adults. BulletPoint3 : 【Invisible Design】Our hearing aids are ergonomically designed to fit the ear canal and not easily fall off. Our hearing aids are very small, weighing only 2.2g, so there is no burden even if worn for a long time, and there is no need to distinguish between the left and right ears when wearing them. BulletPoint4 : 【Advanced Chip】The hearing aid is equipped with a digital smart chip and advanced channel voice processing technology. This powerful combination effectively reduces background noise while improving speech clarity for more realistic sound, allowing you to hear, communicate and participate more fully in everyday activities. BulletPoint5 : 【Large Battery Capacity】The charging case screen clearly displays the remaining power and charging status. The charging case can store 80 hours of standby power, enough to charge the hearing aid 4 times. After each charge, the hearing aid can be used for 20 hours, enough to meet your daily needs. Color : Black ControlType : Manual ExternallyAssignedProductIdentifier1 : 0768718301283 ExternallyAssignedProductIdentifier2 : 768718301283 FdaDeviceClassification : i FdaIndicationOfUse : otc FdaInstructionsForUseType : consumer FdaLabelType : consumer FdaPremarketApprovalNumber510k : K221052 FdaPremarketApprovalNumberPma : D4211699 FitType : In-Ear Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IE_SmallLithiumIonBatteryInEquipment Hazmat16 : IN_SmallLithiumIonBatteryInEquipment Hazmat17 : IT_SmallLithiumIonBatteryInEquipment Hazmat18 : JP_SmallLithiumIonBatteryInEquipment Hazmat19 : MX_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryInEquipment Hazmat21 : PL_SmallLithiumIonBatteryInEquipment Hazmat22 : SA_SmallLithiumIonBatteryInEquipment Hazmat23 : SE_SmallLithiumIonBatteryInEquipment Hazmat24 : SG_SmallLithiumIonBatteryInEquipment Hazmat25 : TR_SmallLithiumIonBatteryInEquipment Hazmat26 : US_SmallLithiumIonBatteryInEquipment Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment HeadphonesFormFactor : In-Ear IncludedComponents : main device IncludesRechargableBattery : 1 ItemName : Hearing aids for Seniors, rechargeable noise reduction, digital hearing aids for hearing loss, sound amplifiers, invisible hearing aid (Black) ItemPackageDimensions_Height : 3.31 centimeters ItemPackageDimensions_Length : 22.04 centimeters ItemPackageDimensions_Width : 15.09 centimeters ItemTypeKeyword : hearing-amplifiers Manufacturer : RUYIOER Material : hearing aids ModelName : JH-TW40 ModelNumber : JH-TW40 NoiseControl : active_noise_cancellation NumberOfItems : 19 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 3 OutputWattage : 1 watts PartNumber : RUYIOER-0906 PowerSourceType : CY-1 ProductDescription : hearing aids RecommendedUsesForProduct : Built-in StrapType : hearing aids Style : Hearing Aids SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1