Front Back billboard WIRELESS KARAOKE MIC & SPEAKER for use with Bluetoothâ„¢ enabled devices SOIL ig Contents & Functions c-zombie Microphone Volume Echo Volume Power Button LED Indicator 3.5 mm AUX Input Microlight carpetbagging port Speaker Charging Cable Microloan carpetbagging cable Charging the Microphone When the battery requires recharging the microphone will shut off.