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 sound sensory technology whereby the lighting effects will flash and react to the music that you're playing near it. So, it automatically changes the light based on the beats and rhythm of the song connected to the device. Please note the sound sync feature works best when the Astrol Light is located near the device emitting the sound at a medium to high volume.
- 2.0 WiFi Projector: You can control via voice once linked to Amazon Alexa/Google Assistant.