The Jabra BIZ 1500 Mono QD Corded headset features noise cancelling capabilities eliminating unwanted background noise. DSP technology reduces background noise and removes echo. Peakstop™ keeps the sound level in the safe range and protects your hearing from any harmful loud sounds. It has HD sound with HD Voice that gives you a crystal clear communication. The Jabra BIZ 1500 also features 270 Degree boom arm for easy adjustment and durability. It has Foam ear Cushions to keep your ears cool and Intuitive control unit for greater call control. It is an entry level, low cost, professional corded headset for all-day conversations.