Lightweight and Portable: Made of metal spray paint and ABS plastic, this wireless microphone is lightweight, durable and easy to carry. The receiver is equipped with a rechargeable battery, which only takes 2.5 hours to charge and can work continuously for 5 hours. Equipped with a volume adjustment button to adjust the appropriate volume Professional and clear sound: Cardioid pickup pattern significantly reduces unwanted background noise while focusing on the target sound source, resulting in superior recording quality. Signal-to-noise ratio: 96dB, THD+N