Specification AgeRangeDescription : Adult Brand : Questyle BulletPoint1 : [Supports high resolution sound] :The M12i features the highly acclaimed ESS ES9281AC flagship DAC, which can handle up to PCM768kHz/32bit and DSD512.The M12i breaks through the limitations of integrated audio circuits in phones in terms of technology, cost, and size. BulletPoint2 : [Full Compatibility ] :M12i USB DAC headphone amplifier with optimized HiFi audio architecture ensures High-Resolution sound quality. The portable USB DAC compatible with various systems like Android/iOS/Windows/Mac, compatible with the latest devices: phones/computers/tablets/laptops/audio players, etc. Wonderfully versatile when commuting in the home, office, or gaming. BulletPoint3 : [MFi certification ]:The "i" in M12i indicates that it has been certified by MFi. MFi certification ensures perfect support for iPhone/iPad and seamless integration into the ios ecosystem. It complies with the stringent requirements for external devices in terms of power consumption and compatibility, avoiding the risk of damage to phones and systems from arbitrary USB device pairings. BulletPoint4 : [Ultra-Low Noise Floor]: Thanks to the patented Current Mode amplifier technology, M12i's noise floor is below -130dB, ensuring no noise when listening to music with high-sensitivity earphones.M12i has an extremely wide frequency response of over 80kHz, making it a true Hi-Res device.Clean sound for a great sound, featuring abundant power with high signal-to-noise ratio, low distortion, and almost 0 noise – this is true high-fidelity sound. BulletPoint5 : [What You Get]:M12i USB DAC Headphone Amp x1, Type-C to Type-C cable x1,Type-C to USB-A Converter x1 , user manual x1, and friendly customer service. BulletPoint6 : 【Note】:When connecting to Lightning interface devices,you can purchase an additional Questyle LTC02 Lightning to Type-C adapter that has been officiallycertified by MFi. Color : Black-B CompatibleDevices : Various systems including Android, iOS, Windows, Mac, and devices like phones, computers, tablets, laptops, audio players, and car audio systems. ConnectivityTechnology : Wired ControlMethod : touch ControlType : Media Control CustomerPackageType : Standard Packaging EarpieceShape : Rounded Tips ExternallyAssignedProductIdentifier1 : 636827304221 ExternallyAssignedProductIdentifier2 : 0636827304221 ExternallyAssignedProductIdentifier3 : 00636827304221 HeadphonesEarPlacement : in_ear HeadphonesFormFactor : In Ear HeadphonesJack : 3.5 mm Jack IncludedComponents : User Manual InterfaceType : USB ItemName : Questyle M12i HiFi Headphone Amplifier [MFi Certified] Portable USB DAC Lossless Mini Audio Amps Supports PCM 768kHz/DSD512 with 3.5mm Outputs High Resolution for Smartphones/PC/Laptops ItemPackageDimensions_Height : 13.6 centimeters ItemPackageDimensions_Length : 2.7 centimeters ItemPackageDimensions_Width : 6.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : headphone-amps Manufacturer : Questyle Material : Metal ModelName : M12i ModelNumber : M12i MountingType : Plug Mount NoiseControl : sound_isolation NumberOfChannels : 2 NumberOfItems : 1 NumberOfPins : 7 NumberOfPowerLevels : 2 PartNumber : M12i ProductDescription : M12i · Mobile Headphone Amplifier with DAC Enjoy all the benefits of M12i ProductSiteLaunchDate : 2024-01-22T06:41:48.523Z Size : Small SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetGender : unisex UnitCount : 1 UnspscCode : 52161547 WarrantyDescription : 12 months WirelessCommunicationTechnology : RF