High Fidelity USB DAC: The CX31993 Headphone Amplifier features a high fidelity USB DAC, ensuring superior audio quality for your headphones. Type C Compatibility: Designed with Type C compatibility, this device 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 amplifier 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 DAC Type C To 3.5mm Headphone Amplifier Audio Decoder IEM AMP Mobile Phone Adapter Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Type: 8-Strand Pure Silver Line Color: Transparent-Blue & Transparent Material: Metal Package Contents: 1 x Headphone Amplifier 1 x USB Adapter Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.