Rechargeable Bluetooth Tailgate Speaker with Wireless Microphone and Disco Ball 310 Audio is the best of the Bluetooth speaker’s supplier available in market today. All of their speakers are manufactured with best technicians in the industry so that none of their products are damaged or returned by the customers for unsatisfactory service. They have many range of speakers which can be suitable for each event, among all SP-7RBT is a medium size speaker with the best sound quality which is not received even by larger speakers of other manufacturers out in the market. Loudest Bluetooth Speakers at speakers-with-lights This is specially designed for tailgate parties or mainly outdoor events. You can connect it with iPhone, Android, Windows, Blackberry, Mac and any device that is has Bluetooth feature built in. Along with wonderful sound feature it also comes with a flashing disco ball on top of the speaker which adds more fun to your party especially at nights, as the lights can be turned on and off and also pulsates with each best. If you don’t need the lights you can turn it off and just listen to the music, after all the choice is all yours. These speakers have SD and USB ports to insert your USB or SD card to play the songs automatically when it is attached to it. This speaker also has a port for an electric guitar and a microphone too. And hence you can also entertain your guest at your party and make it more enjoyable. This speaker comes with a 5-Band Graphic Equalizer for sound adjustments up to 5 different frequency ranges. To make you enjoy your party without any problems these speakers have a long lasting 4500mAh battery which can help you to enjoy your party up to 8 hours! The speaker is light weight and can be carried more easily.