High-performance noise canceling microphone filters out background noise 3 wearing styles provide greater range of options: over-the-ear, over-the-head and behind-the-neck Single-wire design for greater range of motion Kink-free, highly flexible gooseneck boom to place microphone at desired position High-quality speakers deliver clear and consistent communication Durable construction meets the constant demands of all-day use Compatible with Plantronics® and VXi P-series amplifiers and direct connect cords 2-year warranty Includes earhook, headband and neckband