Feature:1. High-Quality Cordless Microphone Set: This 2.4G wireless handheld microphone comes with four microphones and a receiver, providing professional-grade sound for various applications such as live performances, karaoke, outdoor events, and conferences.2. Infinite Distance Coverage: Equipped with an intelligent LED display screen, this microphone set ensures a stable and reliable connection, allowing you to perform wirelessly without any distance limitations. Whether you are hosting a stage performance or teaching a class, this microphone set will meet your needs.3. Versatile and Convenient: Compatible with a wide range of audio devices, including mixing consoles and mobile speakers, this cordless microphone set is suitable for different scenarios. Its compact and portable design makes it easy to carry and use anytime and anywhere.4. Superior Sound Quality: Featuring a sensitive cardioid pickup pattern, this handheld wireless microphone captures the natural nuances of your voice while minimizing background noise. The built-in high-quality digital effects processor enhances the audio quality, delivering clear and pure sound.5. Long Transmission Distance: With a transmission distance of up to 80m, this cordless microphone set ensures uninterrupted performances even in large venues. The high-definition digital display screen allows for easy operation, making it a perfect choice for singers, DJs, and public speakers.Specification:Frequency: Fixed frequency (Channel A: 224.3MHz, Channel B: 242.2MHz, Channel C: 227.6MHz, Channel D: 246.3MHz)Frequency Stability: ± 0.005%Dynamic Range: 100 decibelsMaximum Deviation: ± 45kHzAF Response: 80Hz-15kHz (± 3db)Total Signal-to-noise Ratio: 105dbOverall Distortion: ≤ 0.8%Receiver Sensitivity: 12dBuV (80dBS/N)Total Harmonic Distortion:<0.3% (at 1kHz)Harmonic Interference: ≥ 50dbMirror Interference: ≥ 60dbTransmission Power: 10 MW AI high power, 3 MW low powerWorking Environment Temperature: -10 ~+40 Transmission Distance: 80m/262ftReceiver Power Supply: EU Plug, US Plug (optional)Microphone Power Supply: uses 2 * AA batteries (but batteries are not included in this product)Receiver Size: 22 * 17.5 * 5cm/8.7 * 6.9 * 2-inchMicrophone Size: 24.5 * 5cm/9.6 * 2-inchPackage List:1 * Receiver4 * Microphone4 * Anti-slip Ring1 * Power Cord1 * 6.35mm Microphone Cable