This item was used once or twice. The Jabra GN ENC010 Black USB Connector Standard Remote Control is designed specifically for use with the Jabra Evolve 40 headset. This remote control allows users to easily adjust the volume and control various functions of their headset with just the touch of a button. With a sleek black design and USB connectivity, this remote control offers a user-friendly and convenient way to enhance the functionality of the Jabra Evolve 40 headset.