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 & 360 IP phones. In some cases the headset can be susceptible to interference carried by network cables.