3.1 Type-C USB-C to 3.5mm Audio Speakder Microphone Adapter The Adapter cable can convert type C to the 3.5mm Audio for New type C Devices Type C connector is the new design for USB 3.1 Reversible Design for Type C connector Reversible plug orientation & Cable direction.Still want to use your favorite earphones/headphones with your smartphone. Grab this handy - USB Type-C Male to 3.5 mm Female Stereo Audio Adapter. Works best with 3.5 mm jack headphones.