Use the nikkai usb-c to 3.5Mm headphone jack usb-c pd charging port adapter to plug your existing headphones with 3.5Mm jack into your usb-c device. The 3.5Mm jack is for audio only but there is also a usb-c qualcomm 3.0 Power delivery 18w charging port to charge and sync your device at the same time. Works with all devices that have a usb-c connector including iphone or android smartphone. Small, and discreet size.
Use the nikkai usb-c to 3.5Mm headphone jack usb-c pd charging port adapter to plug your existing headphones with 3.5Mm jack into your usb-c device.