The Sennheiser SC165 series is a corded duo headset with a single 3.5mm jack connection, optimised for flexible UC professionals who value excellent sound and modern style. The SC165 is designed to provide flexibility and comfort anywhere. The adjustable microphone arm can be pushed away as necessary, and the large foam ear cushions provide day-long comfort. Plug and play connectivity ensures the connection is simple and thanks to the foldable design, you can transport this headset anywhere!