The Jabra Evolve 30 II UC USB Stereo (Binaural) Headset is an updated version of the Jabra Evolve 30 UC. The Jabra Evolve 30 II UC USB headset offers improved connectivity with the addition of a 3.5mm jack, allowing you to connect to your PC, mobile phone and tablet. Key features include a Noise Cancelling microphone and DSP technology for better clarity, an inline control unit for controlling volume and calls, and great comfort thanks to large leatherette ear cushions and adjustable headband. Features: Wireless Bluetooth Headset Crystal Clear Calls 5399-829-309 Specifications: Dimensions: H:6.0 x W:16.0 x D:20.0 cm Colour: Grey Guarantee:2 years Material: Plastic Model Number: 100005915