Pyle White 400 Watt Outdoor Portable Wireless PA Loud speaker System with Rechargeable Battery, Auxiliary RCA jack for ipod, Microphone Jack, USB / SD Reader, Wheels Gain and DJ Controls - PCMX265W POWERFUL DJ CONTROLS: This White Portable Sound System by Pyle features Cue function to preload songs, Pitch selector for smooth song transitioning, reverse function to reverse songs for cool effects, and Loop function for creating dramatic build ups. perfect for DJ sound and patio party SUPPORTS USB AND SD CARD: This PA Stereo is equipped with indicator lights and USB Flash Drive and SD Memory Card Readers so you can stream MP3 music from your external devices MULTIPLE CONNECTIVITY: Features 1 1/4'' Combo XLR/TRS Jack For Balanced Microphone, 1 1/4 inch Jack For Instrument Or Microphone, Auxiliary RCA Jacks For External Music Player like CD Player / iPod and line output you to connect multiple speakers to the device RECHARGEABLE BATTERY: This box type battery powered heavy duty Wireless PA Amplifier Speaker has a 7AH/12V rechargeable battery which makes it convenient and portable. Perfect for personal, commercial, indoor / outdoor use USE ANYWHERE IN THE WORLD: This unit can be used in America, Europe, and other compatible countries since it features a switch that lets you change between 110v-60hz and 220v-50hz. The power cable is included and the case has a retractable handle and wheels for easy transport