The Plantronics EncorePro 500 Series is an all-new generation of headsets for customer service centers and offices, designed for the future, and built on experience. Three innovative models deliver greater comfort for all-day wearing, superior noise-canceling for clearer calls, and increased reliability so conversations can continue without worry. And they'll help you meet the OSHA / Noise at Work regulations.
The Plantronics EncorePro 510 is the next generation of our most popular over-the-head monaural headset. Completely re-imagined for the demands of the modern customer service center and office, the EncorePro 510 has soft ear cushions for all-day wearing comfort, metal joints that deliver durability and reliability and a flexible mic with visual and tactile positioning guides for precise positioning and clearer conversations.
More information: http://www.plantronics.com/us/product/encorepro-510-520