Shure WH20 Headset Mic with XLR Connector for Balanced WH20XLR
Amazon.com: Shure WH20 Dynamic Headset Microphone (Wired) - Rugged, Lightweight, Secure Fit for Active Mic Users, Perfect for Instructors/Musicians, 3-pin Male XLR Connector with Detachable Belt Clip ( WH20XLR) : Musical Instruments
User reviews: Shure WH20XLR - Audiofanzine
Shure WH-20 Headset Microphone — AV Now Fitness Sound
Shure WH-20 Headset Microphone — AV Now Fitness Sound