The Plantronics CS50 Wireless Office Headset System brings the ultimate in mobility and handsfree conversations to your phone. The CS50 gives you eight hours of talk time and the wireless convenience to roam up to 300 feet with secure conversations. And remotely taking or ending a call is as simple as pressing a button with the Plantronics HL10 Lifter. The HL10 handset lifter fits on your telephone, letting you answer calls with the touch of a button, conveniently and automatically takes your handset off hook.