Why you need the Plantronics EncorePro HW540 Corded Headset? Versatility! Plantronics EncorePro HW540 Corded Headset: If you are looking for a cordless headset, there are several reason why you may want to consider purchasing the EncorePro HW540 Headset from Plantronics. First off, it’s a convertible headset, so you start out with the basic speaker and microphone setup, and then if you want to wear it over the … Continued