Specification AgeRangeDescription : 15+ AudioDriverType : dynamic_driver Brand : YEYDJLFC BulletPoint1 : The headphone amplifier can work continuously for more than 8 hours, with a load impedance of up to 16-300 Ω, a pure transistor design, strong driving capability, and significantly improved sound quality. BulletPoint2 : Portable Headphone Amplifier which make it convenientto carry, can output remarkable sound without distortion, Audio Input: 3.5 mm Jack, Audio output:3.5 mm Jack. BulletPoint3 : Supporting two-stage gain switches enhances the signal input of the amplifier circuit, enabling the headphones to achieve optimal performance. BulletPoint4 : The headphone amplifier is suitable for Sony, Sennheiser Rs120 HDR 120、 Apple phones and Beyerdynamic headphones. Suitable for headphones with a resistance of 16~300 Ω ohms. Equipped with Bluetooth function, it can be turned into Bluetooth earphones when plugged in with wired earphones. (Note: The phone needs to turn on Bluetooth function to search for product connection and play) BulletPoint5 : What you Get: 1 x Headphone Amplifier, 1 x USB charging cable, 1 x 3.5mm audio cable, 1 x User Manual. To ensure long-term satisfaction with your purchase, we provide 24-hour free technical support. If you have any questions, please contact us and we will solve them immediately. Color : Black CompatibleDevices : Headphone CompatibleDevices1 : Laptop CompatibleDevices2 : Cellphones CompatibleDevices3 : Telephones ConnectivityTechnology : Wired ControlMethod : application EarpieceShape : Over Ear ExternallyAssignedProductIdentifier : 4562314016840 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 HeadphonesEarPlacement : open_ear HeadphonesFormFactor : 真无线 HeadphonesJack : USB Impedance : 300 ohm IncludedComponents : Type-C to Type-C Cable or Type-C to Lightninng Cable InterfaceType : USB ItemName : Headphone Amplifier, 16-300Ω Headphone Amp, Portable Headphone Amplifier with Two-Stage Gain Switch and 3.5mm Jack Compatibility Phones Laptop etc ItemPackageDimensions_Height : 14.9098 centimeters ItemPackageDimensions_Length : 3.0988 centimeters ItemPackageDimensions_Width : 12.3952 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : headphone-amps Manufacturer : YEYDJLFC Material1 : Metal Material2 : Copper MaximumSupplyVoltage : 5.3 volts MinimumSupplyVoltage : 4.2 volts_of_direct_current ModelName : Y-03 ModelNumber : Stargate 2 NoiseControl : none NumberOfChannels : 2 NumberOfItems : 1 NumberOfPins : 8 PartNumber : YEY002 ProductDescription : Headphone Amplifier, 16-300Ω Headphone Amp, Portable Headphone Amplifier with Two-Stage Gain Switch and 3.5mm Jack Compatibility Phones Laptop etc The headphone amplifier can work continuously for more than 8 hours, with a load impedance of up to 16-300 Ω, a pure transistor design, strong driving capability, and significantly improved sound quality. Features 3.5mm aux input and output, signal-to-noise ratio > 120 dB and thd + n 0.0003%, not only output louder, more realistic stereo, without distortion. It adopts rechargeable lithium battery with a capacity of 1500mah and can work continuously for more than 8 hours. It can be significantly compatible with a variety of digital devices, such as MP3, MP4, mobile phone and computer (Note: It is not recommended to use when charging, because current interference will occur during charging, which may lead to noise). Exquisite, compact, lightweight, portable and easy to carry.y Package contents 1 x Headphone Amplifier 1 x USB charging cable 1 x 3.5mm audio cable 1 x User manual ProductSiteLaunchDate : 2024-07-13T13:51:56.170Z SpecificUsesForProduct : In-ear Monitoring Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 52161547 WarrantyDescription : 1 Year