The Plantronics CS510 Wireless Headset System is a black headset with a comfortable headband design. It offers a single earpiece with an ear-pad for on-the-ear use. The CS510 features wireless technology using DECT RF, volume control, noise cancellation, and a built-in microphone. This unit comes in its original box and includes the necessary components for easy setup. New factory sealed never opened please see pictures for better details of the item if you have any questions please send me a message I will gladly answer any questions you might have helps to prevent returns thanks