Premium in all the right places. The Plantronics EncorePro 500 headset 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. Keep one ear on the customer and one on collaboration 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 HW510 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. Immersive focus for improved customer interactions The Plantronics EncorePro 520 is the binaural version of the all-new HW510 design, covering both ears to provide greater focus and concentration by blocking background noise. The HW520 also 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.