The Sandberg USB Chat Headset connects to a USB port on your computer. The clear sound reproduction of the Sandberg USB Chat Headset makes it perfect for Internet telephony. The set also features an elegant inline volume control so that you can quickly and easily adjust the volume. Features: Perfect for online meetings Instant USB connection Comfortable to wear Specifications: Dimensions: H:0.0 x W:0.0 x D:0.0 cm Guarantee:60 Months Model Number: 126-16