The Jabra Biz 2300 Monaural is a lightweight quick disconnect corded headset for those who want excellent sound quality. The adjustable headband and microphone boom-arm let you find the perfect fit. The boom-arm can be rotated 360 degrees (FreeSpin) with zero risk of breaking. The control unit lets you change volume, mute your calls and more. PeakStop technology removes sudden loud sounds or tones before they reach your ears, any sound above 118 db is filtered out. The reinforced cord is built to withstand the contact centre environment and is protected against office chair wheels, sharp objects and daily use.