POLY Voyager Focus 2-M USB-C-C Headset USB-C/A Adapter

Audio performance: Adjust the noise cancelling level for your personal preference with three options of Advanced Digital Hybrid active noise cancelling (ANC)—high, low and off., Poly Acoustic Fence technology: Advanced multi-microphone noise cancelling so callers hear you and not your surroundings., Smart technology: Dynamic Mute Alert tells you if you speak while muted.., All-Day Wearing: Lightweight headband with sling and plush ear cushions for all-day comfort. Up to 19 hours of talk time., Multiple device connections: Connect to a computer with the included BT700 USB-C adapter, by USB using the included USB-C charging cable and USB-C/A adapter or to a mobile via Bluetooth v5.1.