Description: 【Microphone Headset】Speech teaching microphone has frequencies for each channel, less prone to electric appliance interference and offers stable transmission. 【Comfortable & Durable】The headset mic was made of pp material. The ergonomic/flexible design gives you freedom of movement for energetic performance for any occasion. 【Feature】This Microphone Headset Mic is Lightweight, adjustable, with good workmanship, it does fit tightly and doesnot constantly fall off. The microphone arm can be bent to adjust the position and easy to display onto your head, can be adjusted to fit most size. 【Meet Your Needs】Head Wear Mic, plug and play, optional SIngle Headset/Dual Headset, to meet your needs in different situations. 【Multifunctional】Professional Mic designed for vocal use in live performance, sound reinforcement, studio recording, class, public speaking and trainings, hand and mind. Specification: Sensitivity: - 52DB±2DB Output impedance: ≤680Ω Working voltage: 1.0V-10V to noise ratio: greater than 55DB Plug: 3.5mm Mono wire diameter: 2.0mm black braided wiring Exposed: about 1.05m Directionality: unidirectional, cardioid Size Chart: Microphone Core Size: 9.7mmx5mm/0.38inchx0.20inch Cable Length: 1.2m/47.24inch Package Includes: 1 Microphone Headset Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!