http://www.simplyheadsets.com.au/wireless/plantronics/cs361n-wireless-headset-system.html

Contact center and other professionals with phone-intensive roles will appreciate the wireless convenience, clarity, and security that the CS361N Binaural SupraPlus Wireless Headset System offers. Featuring DECT 6.0 and noise-canceling technologies, this dual-ear headset offers superior, interference-free audio performance and a roaming range of up to 300 feet. The included handset lifter lets users answer and end calls away from the desk, giving them the flexibility to take care of important office business while still attending to calls.

http://www.simplyheadsets.com.au/wireless/plantronics/cs361n-wireless-headset-system.html