Plantronics MX150 Mobile Headset combines Flex Grip design with advanced microphone technology, resulting in a discreet, stable and high-quality headset. The bendable noise-canceling boom provides optimal fit and superior call clarity in nearly every environment. Features:1)Superior Comfort: Unique Flex Grip Design for comfortable fit. 2) Easy-to-Use: Simple design for quick, easy wear. 3) Adjustable Fit: Bendable, pivoting boom for perfect placement. 4) Excellent Sound: Noise-canceling microphone for optimal transmission.