... by the music totally). it is widely used in party, KTV, disco, bar, theater.Specifications: Item ... , which will make your room magical and wonderful. When in the music sync mode, the laser unit ... the music picked up by the built-in microphone. Whereas in the auto mode, depending on the ... 50-60HZ, please adapt exchange equipment in the case of using in the country with different power requirementsPackaging ...