Adapter to 3.5 mm jack for wireless headsets - USB-C | lightning (iPhone 7, 8, X, XR, Xs, 11, 12, 13, 14)

The anti-wave earpieces have a 3.5 mm jack connector... which is not compatible with USB-C connectors or Apple-branded devices. 

To use an anti-wave headset with your device, you need this jack to USB-C or Lighting adapter. 

White or black for the USB-C version. 

White for the Apple version (compatible with iPhone 7, 8, X, XR, Xs, 11, 12, 13, 14). 
Apple MFi certified.