PLANTRONICS 62800-01 DUOPRO Behind the head neckband. This behind-the-head neckband accessory adds a unique wearing style to Plantronics DuoPro and DuoSet headsets. The neckband offers a fresh alternative for those looking for a contemporary wearing style. Delivering all-day comfort with a discreet, stable design, the neckband is also available as a sleek addition to the DuoPro headset family.