The Dynamax EM138 is a lightweight electret condenser headset microphone designed for clear and reliable hands-free vocal performance in presentations, fitness instruction, theater, and other live applications. It features a comfortable, adjustable headband for secure fit during active use, and delivers crisp, natural sound with minimal background noise. The microphone connects via a phantom power jack, making it compatible with most professional audio systems that support phantom power. Its discreet design ensures low visibility on stage, while its durable build offers long-lasting performance.