The Evolve 75 is a wireless headset with superior Active Noise Cancellation & integrated busylight to enhance your productivity. Dual connectivity to two Bluetooth devices means that you can take calls & listen to music from the same headset, giving you extra freedom to move 100ft/30m away from your smartphone and/or PC. Outstanding sound for calls & music World-class speakers & HD voice for crystal-clear calls & music Reduce noise & interruptions Superior ANC & integrated busylight acts as a ‘do not disturb’ sign to enhance productivity More freedom Dual Bluetooth connectivity to two devices at the same time for calls & music. Flexibility to move up to 100ft/30m away from your connected device All-day comfort Leather-feel ear cushions & on-the-ear design for all-day use Works with all leading UC platforms Certified for Skype for Business, Cisco, & more