Feature:1. Wireless 3 Second Connection: No need for complicated setup, simply power on and plug in the receiver for automatic connection. It's a plug and play experience with no need for adapter cables. Connect in just 3 seconds, faster than the blink of an eye.2. Noise Reduction: Equipped with a high end 360 degree omnidirectional microphone, it records sound from all directions and exhibits strong resistance to interference, effectively recognizing original sound, satisfying recording needs in noisy environments. With a professional grade chip, it intelligently reduces digital noise, effectively eliminating unwanted background noise.3. Long Battery Life: Enjoy an extended battery life of up to 4 hours, fulfilling your daily video recording requirements. The receiver includes a built in charging interface, allowing you to simultaneously record and charge your phone, ensuring continuous operation without worrying about running out of battery.4. Stable Transmission: Featuring Bluetooth 5.2 transmitter technology, the microphone provides a long transmission distance, strong and seamless signal, and zero perceptible delay. Say goodbye to lag and disconnections, and enjoy a superior recording experience.5. Real Time Monitoring: When using a lavalier microphone, your phone can still output the recorded sound without disconnecting the receiver, allowing you to monitor your recording results at any time.6. Wide Compatibility: Compatible with various mainstream APPs on smartphones, computers, tablets, cameras, and more. Enjoy the convenience and versatility of using it with any compatible device.Specification:Item Type: Wireless Lavalier MicrophoneMaterial: ABS plasticWeight: Approx. 67g/2.4ozSingle Microphone Battery Type: Lithium battery (shipped with built in battery)Single Microphone Battery Capacity: 55mAhTransmission Distance: about 15m to 25mOperating Frequency: 2.4GHz.Package List:2 x Wireless Lavalier Microphone1 x Receiver1 x Specification1 x Data Cable