【Dual Noise Reduction】Featuring a DSP (Digital Signal Processing) chip and a premium windscreen, ensuring clear audio quality even in adverse weather conditions | 【16-Hour Battery Life】Each transmitter/microphone provides 8 hours of continuous use, perfect for interviews, vlogs, and presentations without the need for frequent recharging | 【Button-Sized Design】This wireless lavalier microphone is designed to be as small as a button, lightweight and discreet, providing comfortable and convenient all-day wear | 【Simple Plug and Play】Easy installation with no complex setup required-just plug the receiver into your device, and start recording instantly | 【Universal Compatibility】Compatible with all smartphones, making it an ideal choice for content creators, vloggers, journalists, and public speakers | 【100Ft Transmission】Advanced 2.4G technology provides a stable connection, allowing you to record wide-angle shots with 100 feet of wireless transmission and ultra-low latency, reducing post-production lip sync issues | 【Reverb/Mute Function】Enjoy 3D sound with the reverb feature and easily mute during team communication, device setup, or unexpected situations without shutting down | 【After-sales Carefree】Ribiu offer 100% satisfaction service and tech support, please feel free to contact us via Amazon message or the service address on the manual