The Sandberg USB+RJ9/11 Office Headset Pro Stereo is of outstanding quality and can be used for, e.g. your home office, workplace or studying. The microphone is on a flexible arm, which ensures that the other person can hear you clearly. A speaker for each ear also means that reproduction of the other person's speech is clear and distinct. The discreet lightweight construction with soft ear pads and adjustable headband provides you with optimal comfort. Built-in max. volume of 118 db to avoid damage to your hearing. Connects through a USB, RJ9 or RJ11 port and works immediately. Features: 3in1 USB, RJ9 & RJ11 Light weight Crystal clear voice reproduction Perfect for online meetings Specifications: Dimensions: H:0.0 x W:0.0 x D:0.0 cm Guarantee:60 Months Model Number: 126-30