Features: Professional Microphone: the mic featured with anti-interference for stable transmission in 30m long distance, 10ms signal delay, delivers clear natural sounds in real time. Omnidirectional Pattern: wireless lapel lavalier microphone supports 360 sound pickup with low noise, suitable for live performance, video/audio recording, etc. Friendly Design: transmitter has status indicator light mic inside that can be independently used; receiver has recording output port, audio output port for headphone monitoring, volume control keys. (The transmitter has built-in microphone, so it enables to work even without external microphone. You can connect/disconnect it to other microphone to use as your need.) Built-in Rechargeable Battery: both transmitter receiver adopt 500mAh battery, convenient to charge via Type-C port, for long endurance up to 6 hours. Expanded Accessories: the package contains a store bag, a mini tripod, furry windshields to reduce noise for clarity sound even in outdoor recording, a universal phone clamp and more.