http://www.simplyheadsets.com.au/wireless/plantronics/cs70n-wireless-headset-system-noise-cancelling.html

The stylish CS70N Professional Wireless Headset System offers the superior sound performance of DECT 6.0 in an ultra-comfortable behind-the-ear design. Optimised for use with traditional phones as well as IP telephony systems.

http://www.simplyheadsets.com.au/wireless/plantronics/cs70n-wireless-headset-system-noise-cancelling.html