HP Poly Voyager 5200 USB-A Headset 80033865 7K2F3AA Product Description: Poly Voyager 5200 - headset Product Type: Headset - Bluetooth - wireless, wired - USB-A via Bluetooth adapter Recommended Use: Portable electronics, computer Colour: Black Headphones Form Factor: In-ear monaural Connectivity Technology: Wireless, wired Wireless Technology: Bluetooth Bluetooth Version: Bluetooth 5.0 Audio Specifications: Frequency Response 100 - 20000 Hz - Sensitivity 90 dB Impedance: 32 Ohm Microphone: Boom Microphone Operation Mode: Omni-directional, MEMS-directional Microphone Noise Cancelling: Yes Controls: Mute, volume control, on/off