USB-C / AUX 3.5mm adapter - allows you to connect headphones to a smartphone that does not have an AUX type input. It has a built-in DAC. This means unparalleled sound quality - it supports both 16-bit (192kHz) and advanced 24-bit(48kHz) formats, so you can also listen to your favorite songs in high resolution with the finest details.Thanks to gold-plated terminals, there is no rustling or interference. Made of aluminum alloy, provides resistance to oxidation and corrosion.Finish: Aluminum + TPE Cable length: 9 cm Additionally : Built-in DAC Compatibility: phones with Type-C connector.