Audio Technica ATR2USB 3.5mm to USB Audio Adapter Turn any headphone, microphone or headset with 3.5 mm plug into a USB-compatible device. This 3.5 mm to USB audio adapter is equipped with microphone and headphones inputs, a mute button and volume control. It provides plug-in power for microphones that need power. Features 3.5 mm to USB 2.0 adapter with microphone and headphone inputsMute button & volume control; USB 2.0 full speed operationProvides plug-in power for mics that need power