Plantronics EncorePro HW510V Mono Voice Tube QD Headset Ref 89435-02 Plantronics EncorePro HW510V Monural - Leave a lasting impression - Feel the difference with the EncorePro Our most popular over-the-head headset now comes with a range of tactile features to enhance the all-day audio experience. The sophisticated new design offers visual and smooth tactile feedback, ensuring the microphone is positioned correctly so conversations are clearer Its softer, more luxurious ear cushions create a new dimension in comfort for users who need to be available all day, every day And with laser welding and aircraft-grade aluminium providing additional robustness, this is the most durable EncorePro yet