The BJP-1515BT is a portable and amplified PA speaker with built in music player. This model boasts Bluetooth connectivity,MP3 player via USB and TF Card, Aux audio in, Microphone input a rechargeable battery and an alternative power supply capable of running off 12V DC. There is also an integrated audio recording function that lets you record any performances straight to a USB device or TF card. Sound is produced via its 15 woofer and horn driven tweeter to produce 1000W. The speaker is accented by an array of active LED lighting.