HP Poly Voyager 4300 UC 4310 Wired/Wireless On-ear, Over-the-head Mono Headset - Black - Siri, Google Assistant - Monaural - Supra-aural - 9100 cm - Bluetooth - 20 Hz to 20 kHz - 150 cm Cable - MEMS Technology, Electret Condenser, Noise Cancelling Microph