1. Adjusting knob design, with 12 kinds of electronic sound and 14 kinds of warm sound effects, support sound elimination, live singing, one-key avoidance, real-time monitoring. 2. Powerful audio chip, stable signal, good sound quality, no delay.Multi-function, support BT accompaniment. 3. Elegant texture and workmanship, electroplating buttons, electroplating buttons 4. Support the simultaneous connection of two microphones, and the treble, midrange 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 warm-up 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 2.2CM Material: Plastic colour: Black Package Contents: 1 x V9 sound card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.