Logitech H820e Wireless MONO, Headphones

Type: DECT 6.0 with USB-A Wireless range: Up to 300 ft (100 m) Automatic pairing: Automatically pairs when placed in any H820e charger dock, making it easy to charge in large deployment or hot desking situations. Talk Time: Up to 10 hours Charging: 3 hours connected to charging stand provides full charge Microphone type: Bi-directional ECM noise-canceling mic Flexible mic boom: Rotate the boom up or down and bend it left or right to move it closer to your mouth