1.One-click intelligent noise reduction, reduce environmental noise, effectively filter out AC interference, shield external noise, the audio signal is clearer and more stable, and the sound quality is common mode interference. 2.Multi-function mixer, more professional, simple and stylish appearance, powerful internal functions, delicate and precise tuning, adjusting reverberation volume, ambient volume, microphone volume, ear volume, recording volume. 3.Bluetooth compatible wireless accompaniment. Directly connected to mobile phones, Bluetooth compatible with 5.0 low-power chips, stable signal, fast transmission speed; compatible with Bluetooth accompaniment, say goodbye to multi-line troubles, and enjoy wireless fun. 4.Intelligent dodge, one key to eliminate the original song. Professional live sound card to meet the diverse needs of users. Ducking, monitoring ear , canceling the original sound, muting, built-in amplifier, etc.