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 sound chip, stable signal, good sound quality, no delay. Multifunction, supports BT accompaniment. 3. Elegant texture and workmanship, electroplating buttons, electroplating knobs 4. Supports simultaneous connection of two microphones, and 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 heating effects: 14 kinds Support: Wireless Bluetooth Support interface: 3.5 mm Instrument interface: 6.35 mm Microphone interface 1: 3.5 mm Live interface: 3.5 mm Barrel interface 2: 6.35 mm Headphone jack: 3.5 mm Game interface: 3.5 mm Audio interface: 3.5 mm 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 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 to be slightly different from the real one. The allowable measurement error is +/- 1-3 cm.