Good compatibility, quick response and more stable compatibility with most mainstream type-c interface devices on the market.Interface features: not only outstanding appearance, -new interface design, slim interface, can be used to DisplayPort signals, support 4K UHD image transmission, and better electromagnetic interference and interference mitigation characteristics.decoding chip: more complete and purer audio signal transmission. 31993 and cx31998 have the same series of chips, which support the sampling rate of 384khz/32bit. The sound quality is good, and it is compatible with 95% mobile phones, win10 and for computer systems on the market, and supports the functions of wire control and network voice. It is a true hifi-class audio decoding chip.Interface: TYPE-C to 3.5mmSampling rate: 32bits/384KHzSignal to noise ratio: 128db+N: 0.0033%DSD: 64/128(PCM)Color:As ShownMaterial:Plastic+MetalPackage Contents:1 * adapter1 * USB headOnly 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.