Corded headset Plug-&-play USB-A/USB-C connectivity 2-microphone call technology Connect to 1 device Built to last 2 year warranty Passive Noise-Cancellation On-ear wearing style Great for stationary work Engineered to keep you productive. Lightweight, portable, reliable, comfortable. Performance Country of origin China Plug and Play Yes HD voice Yes LED indicators Yes Cable colour Black Cable length 1.5 m Volume control Button Operating keys Volume +, Volume - Product colour Black Headset type Binaural Recommended usage Office/Call center Wearing style Head-band Product type Headset Ports & interfaces Bluetooth No USB connector USB Type-C USB connectivity Yes 3.5 mm connector No Connectivity technology Wired Headphones Driver unit 2.8 cm Headphone sensitivity 115 dB Headphone frequency 20 - 20000 Hz Acoustic system Open Ear coupling Supraaural Maximum input power 30 mW Microphone Microphone mute Yes Number of microphones 2 MEMS (Micro-Electro-Mechanical System) microphone Yes Folding