SP-807RBT Bluetooth Karaoke Speaker: Powerful, Portable Sound with Microphone, Dynamic Spin Lights & Crystal-Clear Audio for Parties PA Function - This portable PA system allows you to sing karaoke, and listen to music at the same time! Just play your favorite song from your mobile device, AUX, or USB Drive and connect the included microphone. 8" WOOFER + LIGHT - The lights on this portable Bluetooth speaker dance and change color along with the beat of the music and creates a unique light show for each song at your parties. The high power 8" Woofer and Horn Tweeter creates a clear and bass thumping sound suitable for any kind of music. MULTIPLE CONFIGURATIONS - With Wavesync Technology, you can purchase two speakers and two stands and have a professional audio setup that is portable and takes minutes to set up! You can also use this speaker as a stand alone speaker on the floor or mounted on a stand. REMOTE CONTROL AND MIC - Included in the box with this speaker is a full remote control and microphone. LONG LASTING BATTERY - This speaker includes a built in 7200 MAH battery which will allow you to play music for over 7 Hours. You can fully charge the speaker in 4 hours with the included 9V power adaptor.