Rockville Rjs8 8" Jobsite/Portable Rechargeable Powered Bluetooth Pro Speaker/Mic multi-purpose portable powered rechargeable Bluetooth speaker system+Mic. On-the-go system is perfect for job sites, tailgating, beach, home use, DJ use, and more, This system is versatile, packed with features, and has a lot of power! It goes super loud making it perfect for so many applications! Rechargeable battery built in lasts 3 hours at max volume playback, and 5 hours on mid volume playback, and 6-7 hours at low level listening Package includes wired microphone! 12V 2.6 AH rechargeable battery with 4 levels battery indicator lights, 8" woofer and 1" piezo tweeter built in. 200 Watts peak output, 100 Watts continuous RMS output. (Rated with true world power ratings; dont be fooled by those little 3,000 watt speakers; these go way louder than those!). Mic Volume and Echo control make this perfect for speeches as well as for Karaoke! Built in class D digital power supply amplifier for efficient low power consumption and great sound! Enclosure is made of high quality MDF wood and wrapped in durable leather that enhances the sound quality by eliminating unwanted vibrations, Solid steel handles for anti-collision protection (They also prevent the speaker from falling down and getting damaged). 3.5MM AUX input with rubber waterproofing cover to connect any audio device Completely weatherproof and dustproof (Very durable design that can be banged around without getting damaged). All inputs and outputs have rubber covers, Built in high powered amplifier matched perfectly to the built in speakers. Built in Bluetooth to stream your music wirelessly (65 foot range!). Master Volume/Bass/Treble controller for main channel Built in USB music playback. The built in USB port is 5 Volt and 1A - It can charge phones, tablets, and other devices, Built in SD card playback. Built in AM/FM PLL Radio Tuner with Auto scan and AM/FM loop antenna, 10 Memory preset radio stations. Bass, treble, mic volume, and echo control, Battery power level indicator, Blue LCD display screen show radio frequency, song playing, etc.  Mic Input with waterproof cover (1/4 to XLR mic cable included)