Separate volume adjustors for microphone channels
Microphone echo effect
Master volume and music treble
MID and bass adjust
MP3 player and remote control
USB/SD card connectors
FM radio receiver
Aux input
Left/Right speakers outputs

Output power (8Ohm) : 2x180W
MIC Input : 4
Music Source : SD/USB/MP3
Radio : Yes
Bluetooth : Yes
Speaker Impedance : 4Ohm~8Ohm
Effect : Echo

Power Supply : 110V or 220-240V
Dimension : 43 x 20 x 9cm / 16.9 x 7.9 x 3.5inch