Single 8-inch
2 wireless microphones
Size: 320x307x407mm
Power: 7.4V 40W with 2 knobs
Configuration: 8-inch bass + 7-color lights
Battery: 7.4V/3600MAH lithium battery
Functions: USB, TF card, Bluetooth enabled, display, FM, color box, outer packaging, charging cable, small remote control, wired microphone, TWS