Dell Premier Wireless ANC Headset - WL7024 - Microsoft Teams Certification - Siri, Google Assistant, BixbyUSB Type C, Mini-phone (3.5mm) - Wired/Wireless - Bluetooth - 32 Ohm - 20 Hz to 20 kHz - Over-the-ear - Circumaural - 3.9 ft (1.20 m) Cable - Noise Reduction, Omni-directional Microphone - Noise