Poly Voyager Focus 2 USB-C Headset with Charge Stand - Siri, Google Assistant - Stereo - USB Type C - Wired/Wireless - Bluetooth - 164 ft (50 m) - 20 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Supra-aural - 4.9 ft (1.50 m) Cable - Electret Condenser, MEMS Technology, Noise Cancelling Micropho