Tuning knob design, with 12 kinds of electricity sound and 14 warming up sound effects, support elimination of originalsound, live singing, -button avoidance, real-time monitoring. with stable signal, nice sound quality and without delay. Multifunctional, support BT accompaniment. Elegant texture and workingship, electroplating keys, electroplating knobs, metal spray paint. The outshell is sandblasted with metal paint, scratch-proof, comfortable and delicate hand feeling.Cool fluorescent light of buttons, beautiful in the dark and convenient to use. Real-time monitoring of ear return, live broadcasting the voice of singing, through listening to headphones back to their ears, Support two microphones connected at the same time, highpitch, alto voice and lowpitch can be adjusted independently. Intelligent compatible with phone/computer live broadcast. Material: metal Color: black Type: English edition Custom effects: four 12th order electronic tone: adjustment Special warm-up effects: 14 types Accompaniment: Accompaniment interface: 3.5mm Instrument interface: 6.35mm Microphone 1 interface: 3.5mm Live interface: 3.5mm Barrel 2 interface: 6.35mm Headphone jack: 3.5mm Game interface: 3.5mm Audio-interface: 3.5mm Charging interface: USB Computer interface: USB Power consumption: 220mAh Input: DC5V/1A Size: (Approx)211.5x38x170mm (LxWxH) Quantity: 1pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 PC x Sound Card 1 PC x Manual 3 PCs x Sound Card Cable (other accessories demo in the picture is not included.)