High Fidelity DAC: The CX31993 Headphone Amplifier features a high fidelity DAC, ensuring superior audio quality for your headphones. 3.5mm Headphone Amplifier: Equipped with a 3.5mm headphone amplifier, it enhances the audio output, providing a rich and immersive sound experience. 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.<br><br>Note:Calls are not allowed, but line control and volume are available. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Silver Material:Metal<br><br>Package Contents: 1 * Headphone Amplifier<br><br>Only 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.