high quality Built-in DSP Active Noise Reduction Technology: Wireless mic's DSP chip can directly optimize the signal from input to output.Omnidirectional Pickup:Wireless lavalier microphone features a high-density blowout prevention sponge and a high-sensitivity microphone. It has a built-in noise reduction chip with strong anti-interference ability, effectively identifying sound and still recording clearly in noisy environments.Wide Applicability: Mini Wireless Lavalier Microphone is suitable for Android phones, Android tablets, and laptops with a Type-C interface. If you need to connect to an iOS phone, an additional iOS converter is required.Portable Wireless Design: The wireless microphone comes with 1 transmitter and 1 receiver, featuring a portable design that is easy to carry. The wireless lavalier microphone has a clip design for hands-free use, producing clear sound and easily recording high-quality audio.Type-C Interface Receiver: The microphone's receiver is equipped with a Type-C interface, offering plug-and-play convenience. The transmitter has a built-in 60mAh lithium battery that provides about 6 hours of working time after a full charge.