More than headsets, a workplace evolution with great sound for calls and music, the evolve 20 special edition is an entry level professional headset with easy call management through a control unit that makes, takes and mutes calls'. '.strtoupper('s')imple connectivity makes it easy to get started with your pc'. '.strtoupper('c')learer conversation for greater efficiency entry level professional headset with easy call management and great sound for calls and music'. '.strtoupper('m')anage calls easily get easy access to the most used functions, like volume and mute'. '.strtoupper('y')ou can also answer and end calls quickly and easily, directly from the control unit'. '.strtoupper('f')lexible plug and play connectivity works straight out of the box'. '.strtoupper('i')nstallation is as easy as simply plugging it in to the usb port on your laptop'. '.strtoupper('a')ll day comfort evolve 20se built for style and comfort with soft leatherette ear cushions'. '.strtoupper('a')djustable headband lets you find the perfect fit'. '.strtoupper('f')lexible connectivity connect to pc with usb or with jack manage calls easily with call control unit to make, take and mute calls plug and play connectivity for quick and easy setup leather feel ear cushions and around the ear design for all day use certified skype for business for simple uc integration and plug and play straight out of the box