The Snom monaural headset provides users with excellent headset stability,ease of use, comfort & hands free convenience. The headset has one ear pad which can be worn on either ear. An adjustable boom carries a noise cancelling microphone keeping voice crystal clear. The headset is designed for use with the Snom 300, 320 and 360 IP phones. In some cases the headset can be susceptible to interference carried by network cables.