ION Audio Tailgater (iPA77) | Portable Bluetooth PA Speaker with Mic, AM/FM Radio, and USB Charge Port Built-in rechargeable battery provides up to 50 hours of continuous use Dynamic, powerful speaker system with 50-hour rechargeable battery Bluetooth connectivity plus iOS/Android app for expanded control. Robust woofer and wide-dispersion tweeter deliver high-quality sound USB power bank to conveniently recharge your smartphone, tablet, and more AM/FM radio with bright, clear display, and 1/8" auxiliary input; microphone and auxiliary cable included NOTE: This product DOES NOT have wheels,Please refer the instructional videos under image section and user manual under the product description for user support.