The Plantronics CS 540 Wireless Headset connects to your office phone, giving you superior comfort style and mobility up to 350 feet. Voice-dedicated 1.9 GHz DECT technology and advanced wideband audio provide uncompromising audio quality, the lowest probability of interference, and 9 hours of talk time (up to). Adaptive power system optimises balance between range and talk time. Volume and mute controls at your fingertips allow you to make adjustments remotely. Digital encryption assures the most secure conversations. You can conference up to three additional CS model headsets to have co-workers easily join calls. Battery is 80 percent recharged in only 1.5 hours and fully recharged in JUST 3 hours. Convertible headset gives you your choice of 3 different wearing style, over the head, over the ear, or behind the neck.

To see if this headset works with your phone please consult the Plantronics Compatibility Guide