1. Adjustment knob design, with 12 kinds of electronic sounds and 14 kinds of warm sound effects, supports sound elimination, live singing, one-button dodging, real-time monitoring. 2. Powerful audio chip, stable signal, good sound quality, no delay. Multifunctional, supports BT accompaniment. 3. Elegant texture and workmanship, electroplating buttons, electroplating knobs 4. Supports simultaneous connection of two microphones, and treble, mid-range, and bass can be adjusted independently. 5. Smart compatible mobile phone/computer live broadcast. (Due to product upgrades, there may be slight differences) Model: V9 : 32 bits Custom effects: four Twelfth electronic tone control: adjustment Special heating effects: 14 kinds Support: Wireless Bluetooth Support interface: 3.5mm Instrument interface: 6.35mm Microphone interface 1: 3.5mm Live interface: 3.5mm Barrel interface 2: 6.35mm Headphone jack: 3.5mm Game interface: 3.5mm Audio interface: 3.5mm Charging port: USB Interface: USB Power consumption: 220mAh Size: 16.5 x 14 x 2.2 CM Material: Plastic Color: Black Package Contents: 1 x V9 sound card