The Zoook Rocker Thunder is a powerful party speaker with remote and mic. It has Bluetooth range of 10 meters and flashing DJ lights. The speaker also has karaoke feature. It has a built-in rechargeable lithium-ion battery which provides extended playback. The Zoook Rocker Thunder has superior sound quality with powerful stereo sound and punching bass. The package includes the Zoook Rocker Thunder Bluetooth Speaker, Wired Microphone, 3.5m Aux Cable, Micro USB Charging Cable, User Guide, and Certificate of Authenticity.