Plantronics 66735-01 is a uniband headband with leatherette ear cushion, designed to provide a comfortable and secure fit for extended periods of use. It is compatible with Plantronics SupraPlus Wireless, CS351, CS50 and CS55 headsets, allowing you to customize your headset to suit your individual needs. The headband is adjustable to ensure a snug fit, and the soft leatherette ear cushion provides excellent comfort even during long conversations. With the Plantronics 66735-01 uniband headband, you can enjoy hours of comfortable and productive communication.