JABRA EVOLVE 40 Engineered to boost efficiency. Professional corded headset. Enhanced productivity. Professional sound for growing businesses Never miss a call Jabra Evolve 40 is a professional headset designed to help you focus and improve your conversations. Passive Noise Cancellation Noise-cancelling microphone eliminates background noise and reduces high-frequency sounds. Intuitive control unit Get easy access to the most used functions, like volume and mute. You can also answer and end calls quickly and easily, directly from the control unit. Plug and Play setup Works straight out of the box. Installation is as easy as simply plugging it into the USB or USB-C port on your laptop. The Jabra Evolve 40 has a 3.5mm jack which can also be used for smart devices All-day comfort Built for style and comfort with soft leatherette ear cushions. Adjustable headband lets you find the perfect fit.