The ProXtend Sonnet (Duo) is a professional wireless communications headset, specifically designed with professionals in mind, for both office and call centre environments. With a transmission distance of up to 30m you can be assured that you don’t always need to be tied to your desk when making a call. With its integrated multiple-point technology, two devices can be connected at any one time (take calls from either your computer or your mobile telephone). The headset also features the following: •2 hours charge time offers up to 20 hours talk time and 200 hours standby time •High-frequency wide band, crystal clear call quality every time •Busy light indicator, avoid any unwanted interruptions •Charging dock with integrated Bluetooth and speaker, never miss a call •Noise cancelling design and super soft leatherette earpads, for the best call experience.