The Poly/Plantronics 211710-101 Voyager Focus B825 UC Stereo USB-C Bluetooth Headset works seamlessly across laptops, Bluetooth-enabled desk phones, mobile phones, and tablets. Move fluidly between PC and smartphone and between work and entertainment with rich, immersive stereo and active noise cancelling features designed to keep your focus on work, not on the chaos around you. It has a smart sensor to answer calls by simply putting on the headset, mute by taking the headset off, and pause/resume music. • Product Type: Wireless Headset • Product Line: Voyager Focus UC • Application: Smartphone, PC / notebook, Tablet • Headset type: Binaural • Fit: On-ear • Connection: Wireless • Wireless: Bluetooth • Connectors: 1 x USB Type-C • Noise-cancellation (NC): Yes • Active noise-cancellation (ANC): Yes • Weight: 0.155 kg • Wireless Operating Distance: 98 ft • Sound Mode: Stereo • Sound Pressure Level: 118 dB(A) • Earpiece Design: Over-the-head • Earpiece Type: Binaural • Microphone Technology: Noise Cancelling • Microphone Design: Boom • Form Factor: Supra-aural