Engineered to be the world’s most powerful professional wireless headsets.* Superior wireless connectivity and battery performance delivers crystal-clear calls and all day talk time. Be available for every call. Enjoy superior wireless connectivity with a range up to 150 meters/490 feet, and all day battery life. Crystal-clear calls, even in the busiest office. Advanced noise-cancelling microphone and enhanced speakers deliver crystal-clear calls even in noisy offices. Meets Skype for Business Open Office requirements. Stay focused on the caller. Overcome interruptions with an integrated busylight that acts as a do-not-disturb sign for colleagues. Take calls from up to two devices. Increase your availability for customer calls. Can connect to desk phone and softphone. Models for every workstyle. Choose your wearing style from stereo, mono, and lightest-in-category convertible models.