About this item USB C to 3.5mm aux (or aux to USB C) headphone adapter cable compatible with various devices featuring a USB C port. Aux to USB-C (USBC to 1/8 inch audio) adapter cable works with popular gaming headsets, allowing headset use with microphone on smartphones or PCs/laptops equipped with a USB C port. USBC to aux dongle is compatible with earpods headphones with a 3.5mm plug (or similar wired earbuds or headphones with a microphone) for phone calls and music. USB Type C to 3.5mm 1/8-inch adapter patch cable is suitable for external vlogging microphones. USBC to 3.5mm adapter dongle enables both audio and microphone functions of your headphones. Size: 4 x 0.3 x 0.3 inches.