Brand New Box. The Plantronics Savi W745-M Wireless Headset System in Black is a single-ear earbud with Bluetooth, infrared, and RF wireless technologies. It features an ear-hook design, boom microphone, and various user-friendly functions like volume control, noise cancellation, and HD voice. The headset also includes replaceable ear tips, foam tips, and leather cushions for comfort. It is ideal for use with home telephones and offers a convenient and efficient hands-free communication experience.