16 live effects, 12 electronic music effects, 4 sound field effects, 3 voice change. Digital display knob operation status real-time, power display and low power reminder. Support two phones live and one phone BT accompaniment meanwhile. One-key dodge control, can adjust of microphone and monitor. Compatible with multiple sofware systems, USB connection no driver for computer. condenser microphone port, suitable for 6.5mm coil microphone and instruments.