"The POLONA03 headset is the perfect choice for phone calls, video conferencing and online chatting. The flexible microphone features noise-canceling technology that captures your voice and blocks out background noise to deliver clear, high-fidelity sound. A 270-degree rotating microphone effortlessly adjusts to the perfect angle for voice capture and can be worn on the left or right ear, depending on your preferences. The headset also features a microphone mute button that can be activated with the touch of a button. This lightweight headset has soft ear cushions and an adjustable headband for long-wearing comfort. The powerful battery provides up to 22 hours of continuous operation during normal use. The headset comes with a charging dock that serves as a perfect stand when not in use, charging the headset and reducing cable clutter on the table. The headset can also be charged directly with a cable. The versatile.