U-Voice UVS70DCC-H4P Cocoa Headset Microphone for Audio Technica Wireless Microphone System. With mini capsule diameter and the ultimate in low profile high performance vocal pickup omnidirectional condenser headset microphone. Feature: * Detachable and interchangeable cable for universal use (different kinds of connectors optionally available) * Designed for Use on Stage Houses of Worship Lecturers and Other Applications Requiring Minimum Microphone Visibility with hand-free Operation * Provides High-Quality Voice Pickup * Ultra Light Weight Easy Clip-on Style & Bendable Boom for Comfortable Use * Sweat-proof Design Provides Long Hours of Active Use * Compatible with Wireless Body pack Transmitter Specification: * Element : Back Electret Condenser * Polar Pattern : Omnidirectional * Frequency : 50 Hz - 18 000 Hz * Sensitivity : - 60 dB +/- 3dB * Impedance : 1 500 Ohms +/- 30% (at 1 Khz) * Color: Cocoa-color * Cord Length: 42 (Detachable) * Dimension : f5.2 x 144mm * Capsule Diameter: 5mm * Dperating Voltage : 1V - 10V DC