HP Poly Savi 8420 Office Stereo Headset 80033865 8L5B2AA#ABB Product Description: Poly Savi 8420 Office - headset Product Type: Headset - DECT / Bluetooth - wireless Recommended Use: Phone, computer, portable electronics Localisation: English / Europe Colour: Black Headphones Form Factor: On-ear Connectivity Technology: Wireless Wireless Technology: DECT / Bluetooth Bluetooth Version: Bluetooth 5.2 Sound Output Mode: Stereo Audio Specifications: Sensitivity 118 dB Impedance: 32 Ohm Active Noise Canceling: Yes Microphone: Boom Controls: Answer/end, ANC on/off, power on/off, volume, mute Manufacturer Warranty: 2-year warranty