Brand New in Box. Connects To: For a professional needing to connect to a PC/Mac using USB-A and/or mobile phone. Compatible with Microsoft Teams and other leading collaboration platforms. Connector Type: USB Type A Ideal For: Professionals working in a distracting environment at home or in the office. Audio Performance: Active Noise Canceling (ANC) allows you to focus on your caller and not your background noise. Three noise canceling microphones allow the far end callers to hear you and not your environment. Talk Time & Roaming Range: Up to 12 hours of talk time (10 ANC on) and listening time: Up to 15 hours (12 ANC on). Roam up to 98 ft. Global Warranty & Wearing Style: 2 years global warranty; Plush ear cushions make you want to wear the headset all day long