HP Poly BW 3315 USB-C HS +3.5mmP USB-C/A 80033865 8X217AA Product Description: Poly Blackwire 3315 - headset Product Type: Headset - wired - 3.5 mm jack, USB-C Compatibility: Mac, Windows Recommended Use: Computer, portable electronics Colour: Black Headphones Form Factor: On-ear monaural Connectivity Technology: Wired Audio Specifications: Sensitivity 116 dB Impedance: 32 Ohm Signal-To-Noise Ratio: 118 dB Microphone: Boom Microphone Operation Mode: Omni-directional Microphone Noise Cancelling: Yes Controls: Answer/end, mute, volume Software Certification: UC certified