PERFECT SOUND FOR YOUR PERFORMANCE : Guitar/Aux/Mic inputs with dedicated Volume control and Echo effect allow for live music performance and Karaoke. Ideal for conferences, houses of worship like temples, church and street performers, touring musicians, busking and street performances ABS PLASTIC: ABS Plastic Face & Rugged perforated grill for extra protection, Woofer: 8'' LED woofer, Inputs: USB flash drive,SD Card, FM Radio AUX & Bluetooth OTHER SPECIFICATIONS: Impedance: 3 ohms, Sensitivity: 80 ±2dB (1W@1M), Frequency response: 80Hz - 18KHz, For maximum battery life the rechargeable battery should be fully charged prior to its initial use 8-10 hours--- BACK UP: 2-4 hours depending on output ONE WIRELESS MIC IN THE BOX +TOTAL CONTROL ON YOUR MUSIC with Dedicated MIC volume controls plus and ECHO knobs give you the much-needed flexibility of a DJ monitor to tune your audio for optimal sound for your space, whether indoors or taking it to the great outdoors as a camping speaker.