The capsule of the Sony Ecm-L1 Pro-Quality Lavalier Microphone in Black is based on the Ecm-77 series, which is widely used and trusted by sound professionals along with Sony's other pro audio products. This set contains a Sony Ecm-L1 Pro-Quality Lavalier Microphone with Plug-In Power and Brass Housing (Black), Fur Wind Screen, Metal Wind Screen, Pouch, Holer Clip, and Limited 1-Year Warranty.