31993 ChipInterface: TYPE C to 3.5mm length: 13cmThrust: 65mWDAC sampling rate: 32bits/384KHzSignal-to-noise /: more than 128dBDynamic range/DNR: more than 120dBDistortion/+N: 95db+N: 0.0003% DSD: 64/1283()Wire: 4 strands of transparent sterling silver + 4 strands of transparent blue mixed, a of 8 strands of sterling silverCompatible with 95% of the market's type-c mobile phones and win 10 system, system computers support calls and controlColour: gold + blueMaterial: plastic + metalPackage Contents:1 set * Headphone AmpOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.