Poly Blackwire 3215 Monaural USB-C Headset + 3.5mm Plug + USB-C/A Adapter (Bulk) - Microsoft Teams Certification - Mono - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - On-ear - Monaural - Ear-cup - 7.40 ft Cable - Omni-directional Microphone

Boom microphone design offers convenient talk time with maximum efficiency Omni-directional microphone technology enables reliable voice transfer to ensure maximum usability Wired connectivity technology delivers exceptional performance to offer maximum usability On-ear earpiece design ensures maximum convenience and optimal performance USB Type C host interface for reliable data transfer and enhanced performance Synthetic Leather ear cushion material which is cost-effective and has a prolonged life Great for Audio/Visual Labs, Assisted Listening Systems and more that have a Mono jack for non-stereo use Call/Answer/End earpiece control for faster, dependable performance, better navigation, and maximum user-friendliness Noise cancellation provides exceptional hearing under loud environments Effectively cancels outside noise to eliminate distortion with maximum sound efficiency