Microdot 4015 Headset Head-mounted Headworn Microphone For SENNHEISER Wireless System- 3.5mm Screw Locking Plug - Omidirectional Mic Double earhook with 3.5mm Screw Locking Jack Plug, Compatible with Sennheiser Evolution Series, G2, X2 Digital Wireless Systems Double earhook with 3.5mm Screw Locking Jack Plug Used 4mm high quality super mini type Professional vocal pickup condenser microphone,Excellent voice reduction effect, rich&soft intermediate frequency The soft tube can be adjusted freely and reach the best effect of pickup, Sweat and Dust-Proof Made Primarily for Indoor and Outdoor professionals Designed for Use on Stage, Houses of Worship, Lecturers and Other Applications Requiring Minimum Microphone Visibility with hand-free Operation