The three-microphone technology creates a unique talk-zone, making sure you are heard, while other nearby voices are filtered out. With an around-the-neck, wireless earbud design. Featuring battery technology similar to that found in your smartphone. It fully charges in just two hours, and that charge provides up to 14 hours of battery life. Focus with Active Noise Cancellation, and an integrated busylight lets colleagues know you are not to be disturbed.