The S18 lapel microphone features a wireless lavalier design with 2.4G transmission protocol for stable signal and a wireless distance of at least 20 meters. It comes with 2 microphones and 1 receiver, making it portable and easy to carry. The microphone has a 360° omnidirectional pickup with built-in noise reduction chip for clear audio recording in noisy environments. It also has DSP Active Noise Reduction Technology for optimized signal output and reduced delay. The lapel mic is suitable for Android devices with Type-C interface, and includes an iOS Converter for iOS phones. The receiver has a Type-C interface for plug and play use, and the lapel mic has a 70mAh lithium battery for 5 hours of working time.