Application: Stage performances, host, lectures and other PA areas. Wide bandwidth Uni-directional electret condenser mic ensures clean transparent audio and enhanced vocal pickup with improved gain before feedback. Durable thin-metal frame and flexible gooseneck can be easily molded to any user. Ergonomic design and comfortable fit with or without glasses, hats, or headphones and no hairstyle hindrance. Features: Detachable Cable with 3.5mm Screw Locking Jack Plug, Compatible with Sennheiser Evolution Series, SK 100 SK 300 SK 500 G1,G2,G3,G4,SK 1093,SK 20,SK AVX,SK D1,SK-XSW, XSW-D TX35,SL Bodypack DW, X2 Digital Wireless Systems Used 6mm high quality 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 Specifications: Polar pattern: Unidirectional Mic diameter: 6.0*2.8mm Sensitivity: - 45dB ±2db Frequency Range: 20-20KHZ Output Impedance: 63db Wire length: 1.2m Includes: 1x Headset microphone with 3.5mm Screw Locking Plug 1x Carry case 1x Foam Windscreens