The Jabra BIZ 2400 II USB Series improves on the already market leading Jabra BIZ 2400 USB series. The Jabra BIZ 2400 II USB Duo has improved audio quality, an enhanced Noise Cancelling microphone and is certified for use with Microsoft Teams (MT). Protecting your hearing is a key feature with the Jabra Biz 2400 II Series, Intellitone technology ensures users are not subject to more than 85 Db while PeakStop technology immediately removes harmful sounds and tones. Built to last - Constructed with gold plated contacts, unbreakable 360° FreeSpin boom arm and reinforced kevlar cords, your headset investment is protected with the Jabra BIZ 2400 II Series. The Jabra BIZ 2400 II USB Series is certified for use with Microsoft Teams (MT) and available with either a reprogrammble control unit (answer, end, mute, volume control) or a Bluetooth Control Unit. Features: Corded USB Headset Crystal Clear Calls 2499-829-309 Specifications: Dimensions: H:6.0 x W:16.0 x D:20.0 cm Colour: Grey Guarantee: