Blik Screamer 4 is a portable bluetooth karaoke speaker that offers safe entertainment due to its versatility. This speaker works with a rechargeable lithium-ion battery, so you can enjoy up to 3 hours of continuous playback and karaoke to make this experience a small party with lights to the rhythm of the music. Its microphone will allow you to sing the songs you like the most and enjoy music with your friends… and neighbours!