Key Features Dual-mic Environmental Noise Cancellation (ENC) for clear calls Triple Mode Connectivity Options with MS Teams OptimizedBT Dongle (USB-C)+ Wireless AdvancedBluetooth Technology, Bluetooth 5.4 for stableandreliable connectivity HybridActive Noise Cancellation (ANC) technology for noise reduction 2.4Ghz Wireless frequency when used with Type-C dongle Also canbe usedas wiredmode usingthe 3.5mmStereo Cable Long-LastingBattery Life,Upto 100 hours ofplayback time (ANC OFF)and 60 hours (ANC ON)at 50% volume High-QualityAudio sensitivity Comes with Comfortable Ergonomicdesign