The POLONA04 headset is the perfect choice for phone calls, video conferencing and chatting online. The flexible microphone features noise cancelling technology that picks up your voice and blocks background noise, and delivers clear, high-fidelity sound. A 270-degree rotatable microphone easily adjusts to find the perfect angle for voice capture. The headset also features a microphone mute button which can be activated with a single press.This lightweight headset has soft ear pads and an adjustable headband for long-term comfort, while the powerful battery provides continual operation for up to 44 hours under normal use.The versatile and feature-rich Noise-cancelling Wireless Microphone Headset is a perfect option for busy call centers, general workplace environments or daily home use.