EVOLVE 30II Designed for you: Professional headset with flexible connectivity and great sound for calls and music. UC certified = satisfaction guaranteed. When users can collaborate easily and productively, it increases satisfaction with both the UC platform and the headset. The Evolve 30II is UC certified and available as a Microsoft Teams certified variant - for true seamless communication.... Stay connected thanks to USB or 3.5 mm connection. Connect to your PC via USB-A or USB-C. Use the 3.5 mm jack to connect the headset to your mobile device * - such as a smartphone or tablet - to work or listen to music wherever you are. Easy call control. The integrated control unit with large buttons and LED indicators simplifies call control and music playback. Answer and end calls, adjust the volume or mute the unit. Plug-and-play installation. Instantly usable with all leading United Communications platforms. Easy to install - just plug in and go.