Features: Built-in DAC Chip, fit for most USB-C smartphones such as Google Pixel Series (Pixel, Pixel 2, Pixel 2 XL). Type c to 3.5mm headphone jack adapter supports using 3.5mm headphone to enjoy music. pure copper wire core, maintains the original sound quality of your headphones. Provide wide-frequency and high resolution sound. Made of quality material, more wear-resisting and corrosion resistance, enhancing the anti-interference ability. Supports music and calling function(Some phones may not support) Great Compatibility: Supports Mobile phone and other devices with type c interface. Compatibility: Support Hi-Res digital audio to 3.5mm headphones Supports up to 192k, 24-bit sample rate Type C interface phones all support audio, Phone with CPU Qualcomm 8.0 version or above support music control and calling control, volume control, Voice function. But it is not compatible with Xiomi 9,9se, HTC u11 Comes with the Realteck ALC4040 decoder chip. Package Included: 1 x Type-C to 3.5mm audio Cable