Plantronics CS540-XD placement (or Extra) wireless headset for the Plantronics CS540-XD (C054-XD, XO54-XD) or CS545-XD wireless headset system. This is the replacement headset If you lost or broken your Plantronics CS540-XD, CS545-XD headset or use it as a spare headset in a conference call (up to 4 total can be use in the same call). This spare headset does NOT include the Plantronics CS540, Earloop/Earbuds kit . It's not compatible with W740. Simply put your headset back in the CS540-XD base. The power/subscription light (white light on the base) flashes during the subscription/pairing process and turns solid when the headset pairs successfully.
No warranty information available.