The Sennheiser ME 3 Headmic is a lightweight, unobtrusive headset microphone designed for vocal and speech applications. It features a cardioid polar pattern, which helps to reduce ambient noise and feedback, making it ideal for use in loud environments or on stage.

The ME 3 microphone is designed to be worn on the head, with the boom positioned near the mouth for optimal sound quality. It has a flexible gooseneck boom that can be adjusted to fit different head sizes and shapes, and a comfortable ear-hook that keeps it securely in place.

The microphone is compatible with a variety of Sennheiser wireless microphone systems, including the ew G3, ew G4, and XSW wireless series. It can also be used with other wireless systems that have a 3.5mm jack input, such as those from Shure or AKG.

Overall, the Sennheiser ME 3 is a versatile and high-quality headset microphone that is well-suited for a variety of live performance and speech applications.