50 cal Bluetooth speaker

RECHARGEABLE BATTERY Fully rechargeable. An Interstate 12-volt 8-ah battery provides power for up to 20 hours of use before recharge is necessary. WATER RESISTANT Water proof, weather proof, and built for every element. We rely on both an outer and inner shell for protection, along with an anti-slip rubber construction. VOLUME CONTROL Get more with sound. Featuring two 150 watt speakers. No distortion at max volume. Amplifier has bass, treble, and volume adjustment. CHARGE OTHER DEVICES Utilize two USB ports and a cigarette lighter. Use it also as a battery box to charge your phone, i-pods, and other devices. MULTI-FUNCTIONALITY Speaker box also features a power plate, equipped with on/off switch, voltage meter, 2 USB ports and a cigarette lighter port. POWERFUL SIGNAL Make a connection with any smart phone. It’s easy with Bluetooth pairing. Connect, and play from your phone!