【Headset & Lavalier Microphones for Two People】 This product can be used by two people simultaneously. The package includes an external headset microphone and a lavalier microphone. There are three ways to use this product: 1. The transmitter can be directly attached to the collar. 2. Connect the external headset microphone to the transmitter and use it as a headset microphone. 3. Connect the external lavalier microphone to the transmitter and use it. 【2.4G Transmission & 50m Distance】 This wireless microphone adopts international 2.4GHz wireless transmission, which has high signal stability, low interference, and short audio delay. The barrier-free transmission distance reaches 50m. Wireless transmission eliminates the constraints of cables, frees your hands, and helps you speak freely. 【Easy to Use & 8 Hours of Continuous Use】 Simply turn on the transmitter and receiver, and they will automatically pair. Then, insert the receiver into the amplifier and you can use it. With a built-in rechargeable lithium battery, it can be fully charged in 1 hour via a USB cable. It can be used for 8 hours on a full charge. 【Noise Reduction & Mute Function】 The transmitter is equipped with a chip that minimizes surrounding noise. It completely eliminates surrounding noise and records only the voice clearly, making it easy to use even in noisy places. The transmitter has a mute button, and it is very convenient to mute immediately with a single click of the power button when silence is needed, such as during meetings or classes. 【Multiple Scenes】 This wireless microphone can be used in combination with amplifiers, PA systems, speakers, power amplifiers, car PA amplifiers, etc. Recommended for teachers, lecturers, bus drivers, emcees, childcare workers, tour guides, shop staff, etc. It is very useful in situations such as classes, speeches, street campaigns, lectures, festivals, meetings, and events. Thank you for viewing. Management Number: 147