FeaturesSingle ear cushion headsetFlexible microphone for right or left ear positioningUSB connectionVolume and mute controlPlug-and-play simplicityJoin colleagues on a Zoom call or listen to music through your PC with this Prosound Single Ear Mono USB-A Cabled Headset . Equipped with a flexible boom microphone for interchangeable ear positioning and volume call control, this compact headset is versatile and perfect for travel.The padded single ear cushion ensures you are able to clearly and comfortably listen to your call audio, whilst maintaining an awareness of the sound in the room around you.Specification30 mm Diameter Driver20-20kHz frequency rangeSensitivity: 105dBImpedance: 32ohm-42+/-2dB at 1KHz (0 dB=1V/Pa at 1KHz).