Plantronics UPMX256X1 Flex Grip 2.5mm Headset (Discontinued by Manufacturer) Unparalleled comfort with unique Flex Grip design Talk anywhere with the benefits of a noise-canceling microphone Ultimate voice clarity with pivoting boom Easy to use with quick, one-handed placement Compatible with all phones that have a 2.5mm Plug including Audiovox, Blackberry, Kyocera, LG, Motorola, Samsung, Sanyo, Tr?o