Sound Mixer Board,Professional Audio Mixer Sound Board Console Live Sound Card Voice Changer with Multiple Sound Effects and LED Light,Bluetooth, for Live Streaming Karaoke Features: Duo Chorus Mode: Live K song to a new level, built-in dual-channel sound card, Duo Chorus can enjoy the fun of life One Button Free Debugging: Multiple buttons, let you imagine the fun of live broadcast, just 1 button can call up the preset effect Breathing Light: When the sound enters, it is an indicator light, and it will go out when it is not singing One-Key Silence: One-key remove 95 percent of the music lead's voice, making the sound clearer and more penetrating Noise Reduction: Don't worry about any noisy sounds, the system intelligently reduces noise, as if you are in a recording studio Bluetooth-Compatible Wireless Accompaniment: Bluetooth-compatible will automatically turn on after power on, turn on the phone's Bluetooth-compatible , you can find the device to match Large Knob Design: The touch of the large knob allows you to adjust the current effect more accurately. After research, the utilization rate of the microphone and accompaniment reaches 90%, so the large knob adjustment is better Change Voice: Chat online to molest your friends, play games, entertain and have fun, and enjoy the fun of life Specifications: Type: Live Sound Card Material: Metal Color: Black Size(L*W*H): About 14.5x11x2.4cm/5.71x4.33x0.94inch Battery Capacity: 500-800mAh(built in) Package Included: 1pc x Live Sound Card 1pc x Live Cable 1pc x Charging Cable 1pc x English Manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.