The Jabra Evolve 65 MS Mono Wireless Headset is a headband style headset which features a noise-canceling microphone for clear communication as well as Bluetooth 3.0 for wireless connection with your mobile device. This headset is fully functional as it offers an essential and useful feature. It has a built-in "busy light" indicator which helps to alert your coworkers that you do not wish to be disturbed, a Hi-Fi wideband frequency response, Digital Signal Processing (DSP) technology, and a microphone boom arm. It has the capacity of up to 10 hours talk time when fully charged and 100ft range with Bluetooth connection to any PC or Smartphone. In addition, this is also optimized for Microsoft Lync.