Turn any pair of headphones or mono microphone with a 3.5 mm (1/8") plug into a USB-compatible device. The ATR2x-USB audio adapter is equipped with 3.5 mm (1/8") microphone and headphone inputs and a USB-C output, plus a mute button and volume control. A USB-C to USB-A adapter is also included for greater compatibility. The ATR2x-USB provides plug-in power for microphones that require it. Analog-to-digital adapter for microphones, headphones, and headsets Equipped with 3.5 mm (1/8") microphone and headphone inputs and a USB-C output Mute button and volume control; USB-C full speed operation Provides plug-in power for mics that require it Includes USB-C to USB-A adapter*