[Large Capacity Battery]: 18650 Lithium Battery. You can continuously use it for 5-7 hours (in the customary charge for 3-4 hours after full power) The LED Laser light will be flash which is at the Base of the Microphone when it works
[Portable Karaoke Microphones]: Mini home KTV for music playing and singing at any time. Professional tuning system, three-layer high-density noise reduction, intelligent mixing chip, intelligent compatible design, professional audio processor, the highest quality chipset with two channel stereo headphones, more stunning KTV live-sound, more clear music rhythm with echo reverberation
[Multipurpose]: Bluetooth Speaker, KTV singing, gathering singing, Family singing, Travel singing, Car Stereo, Instrument Recording, Interviews and Live etc.. Also, it’s a Unique Gift for your Friends or Family.