This Plantronics S12 Telephone Headset System is a complete set that includes everything you need for hands-free phone calls. Whether you're working from home or in a busy office, this headset provides clear and comfortable communication. The ear-pad design is perfect for extended use, and the phone jack connectivity ensures compatibility with a wide range of phones. The sleek gray color complements any workspace, and the open box design ensures that you're getting a great value on a high-quality product.