The Plantronics 61866-01 Quick Disconnect to 2.5mm Sub-Mini Male Cable Adapter is a networking cable designed for use with Plantronics 61866-01 models. Made by the trusted brand Plantronics and originating from China, this cable adapter ensures compatibility with the specified models and meets California Prop 65 safety standards. Perfect for connecting devices with 2.5mm sub-mini male ports, this adapter provides a quick and easy solution for networking needs.