High Fidelity USB : The CX31993 Headphone Amplifier features a high fidelity USB , ensuring superior audio quality for your headphones.Type C Compatibility: Designed with Type C compatibility, this device is -proof and can adapt to changing technology .3.5mm Headphone Amplifier: Equipped with a 3.5mm headphone amplifier, it enhances the audio output, providing a rich and immersive sound experience.IEM AMP Mobile Phone Adapter: This product doubles as an IEM AMP mobile phone adapter, making it a versatile accessory for your smartphone.Compact Design: Its compact design makes it easy to carry around, perfect for travel or on-the-go use.Enhanced Audio Decoder: The integrated audio decoder enhances sound quality, delivering a superior audio experience.CX31993 HiFi USB Type C To 3.5mm Headphone Amplifier Audio Decoder IEM AMP Mobile Phone AdapterDue to different batches, there may be differences in product appearance, color, and printed text, which not affect the use.Type:A:Copper Silver Mixed LineColour:Copper and Silver MixedMaterial:MetalPackage Contents:1 * Headphone AmplifierOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.