Works with all UC platforms - Compatible with all unified communications (UC) platforms, including Microsoft Teams, Skype for Business, Zoom, Slack, and Google Meet, the CA Essential Bluetooth Headset was designed for today's demanding business environments, delivering high-quality, reliable audio when speaking and listening, no matter where you are. Easy to use - Plug-and-play headset with no software to update or install. Seamlessly connects to PCs and Macs with included USB Bluetooth dongle and simultaneously with smartphones. The CA Essential Bluetooth Headset will run for 27 hours with ANC off and 20 hours with ANC on and is Qi wireless charging compatible (Qi charging pad not included). The headset can also be used when charging via the included USB-C charging cable. Earcup controls - Conveniently located earcup controls for answering/ending calls, volume +/-, mute and busy light, which tells others to "do not disturb." Alternatively rotate microphone boom arm up to mute.