mono headset, Bluetooth 5.0, operating time: 10 hrs
mono headset, Bluetooth 5.0, USB dongle, charger, Microsoft Teams certified, operating time: 10 hrs
stereo headset, Bluetooth 5.0, USB dongle, Microsoft Teams certified, operating time: 10 hrs
stereo headset, Bluetooth 5.0, USB dongle, charger, Microsoft Teams certified, operating time: 10 hrs