Panasonic Hands-Free Over-The-Ear Clip-On Headset with Adjustable Microphone, Mute & Volume Control For TheKX-TGA950B - KX-TG9581B & KX-TG9582B Link2Cell Bluetooth 2-Line Corded / Cordless Phones Adjustable, Boom-Style, Noise-Canceling Microphone Provides Optimum Voice Clarity Level and Reduces Background Noise Hands-Free, Clip-On Over the Ear, Comfortable and Lightweight Design Reversible for use with either ear, right or left Convenient In-Cord Volume Control & Mute Switch with a 4 foot cord and lapel clip for unfettered movement Uses standard 2.5-millimeter jack, designed for use with almost all Panasonic cordless phones