The plantonics duoset mobile headset is ideal for use with both mobile and dect phone the adjustable headband and conformable ear hook on this convertible style mobile headset makes it ideal for any user its simple to change from over the head to over the ear and is lightweight and robust its noise cancelling microphone eliminates up to 75 of all background noise the headset terminates in a 25mm plug and includes an in line hookswitch control as standard