② Headphone Adapter : USB-C to 3.5mm Aux Cable. ① HiFi 3.5mm AUX Cable. 3 poles - ordinary, remote and Mic of headphones cannot work. 4 poles - upgraded, remote and Mic of headphones work perfectly.
This product would be ideal for individuals who frequently use their smartphones as music devices and need to extend their headphone wire to external speakers or a cable port on a vehicle.