Poly Voyager Focus 2 USB-C Headset - Siri, Google Assistant - Stereo - USB Type C - Wired/Wireless - Bluetooth - 298.6 ft (91 m) - 20 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Supra-aural - 4.9 ft (1.50 m) Cable - MEMS Technology, Electret Condenser, Discreet Microphone - Noise Canceling - B