EXTENDED BATTERY PERFORMANCE: 6000mAh rechargeable lithium battery provides up to 24 hours of continuous playback time, ensuring your music keeps going through extended events and gatherings VERSATILE CONNECTIVITY OPTIONS: Multiple playback choices including Bluetooth with 65-foot range, USB support up to 16GB, SD card compatibility up to 32GB, AUX input, and FM radio functionality (requires aux cable for antenna) PROFESSIONAL AUDIO CONTROLS: Fine-tune your sound with dedicated bass, treble, and master volume controls, plus a 1/4 microphone input featuring separate mic volume and echo adjustment knobs RUGGED AND PORTABLE DESIGN: Lightweight ABS housing with built-in handle, metal speaker grille, digital LCD screen, and included power cable and manual