Extended Runtime: The wireless microphone set has been optimized for power efficiency, A single microphone can work continuously for 8 hours. The charging case can fully charge the entire microphone set 4 times, each charging time does not exceed 3 hours Smart Display Screen: The lapel mini mic receiver is equipped with a high definition LED display screen, which can visually display the microphone's battery level, speaking volume, and 3 recording modes during use. Wireless mic also supports use while charging to ensure uninterrupted recording for long sessions 3 Recording Modes: Microphone supports one click switching among 3 recording modes. Press the M button on the receiver to easily switch between AI/classic noise reduction and original sound mode Al Noise Reduction & Classic Noise Reduction: Wireless mic Al noise reduction can minimize or eliminate unnecessary background noise or interference, such as keyboard, typing, wind noise, etc. The microphone's classic