Compact and Design: Designed for durability and portability, this audio adapter is built to withstand everyday use while being small enough to fit in your pocket or bag effortlessly. Wide Compatibility: Compatible with a range of devices, this adapter ensures you can connect your favorite headphones or charging cables with ease Charging: USB-C TO 3.5mm audio+USB-C for interface charging adapter cable Core: enameled copper wire+copper foil wire Exterior: woven thread Signal to Noise Ratio: : 92dB Power: 0.078W Due to different batches, there may be differences in product printed text, which will not affect use Colour:Gray Material:Aluminum Alloy Package Contents: 1 x Audio Adapter 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.