Yes, it is powered by a built-in 2000mAh rechargeable battery. It comes with a USB plug that you can use to charge it as well. - 2.0 WiFi projector: This requires to be plugged in when in use due to the voltage use of having WiFi installed in the device - however you can set a timer on the app with the 2.0
It has voice/sound sensory technology whereby the lighting effects will flash and react to the music that you're playing on it. So, it automatically changes the light based on the beats and rhythm of the song connected to the device.
- 2.0 WiFi Projector: You can control via voice once linked to Amazon Alexa/Google Assistant.