15" BLUETOOTH</br>USB</br>SD</br></br>Product Description</br></br>Gemini AS-15BLU 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. Gemini AS-15BLU 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.</br><br/>http://www.amazon.com/gp/product/B00TY2X1DI