The Gemini AS-12BLU-LT is is a powerful 12-inch active loudspeaker with a 1500-Watt amplifier and built-in LED light show for amazing visual effects. The unit delivers supreme operational quality by delivering wholesome sounds with fullness rather than producing sounds with unnecessary noise at high ends. Gemini AS-12BLU supports Bluetooth wireless listening allowing you to easily connect your smart phone to the speaker and enjoy un-ending music on your phone, with enhanced quality and higher volume. It also supports both USB and SD cards allowing you to play your favorite song right on the speaker system. Play songs on your USB stick or SD card directly on the speaker system.Integrated MP3 player with connections for USB, SD, and Bluetooth.