Offer Professional Anti-perspiration circle; Sliding microphones arm design, perfect for adorn * Smallest 3.0mm super-micro omnidirectional cartridge * Locking Screw 3.5mm connector compatible with Sennheiser Evolution Series, G2, X2 Digital * Sweat and Dust-Proof Made Primarily for Indoor and Outdoor professionals * Designed for Use on Stage, Houses of Worship, Presenters, Lecturers and Other Applications Requiring Minimum Microphone Visibility with hand-free Operation