Stay focused with ANC that reduces background noise, helps you concentrate in busy open offices and boosts productivity on-the- go. Ensure clear business calls with a solution optimized for UC and switch easily between devices as you multitask. Enjoy over-the-ear design and ergonomic ear pads that add noise dampening and long-lasting comfort at work or on your commute. Empower your performance with professional quality and sleek, comfortable design or white to suit your style. This wireless phone headset is perfect for everyday use with compatible electronic devices. Black on-ear design with high-comfort ear pads. Bluetooth for wireless use. Phone headset captures audio cleanly at frequencies of 80Hz-8000Hz. Impedance: #46 Ohms. Rechargeable battery provides up to 46 hours of working time. 2-year manufacturer limited warranty.