Ion iPA76C Block Rocker Bluetooth Portable Speaker System (Certified Refurbished) 50 watts of dynamic power will energize your parties, cookouts and more Extended 75-hour rechargeable battery Powerful 8-inch woofer and wide-dispersion tweeter deliver vibrant sound 2 USB Charging Ports and Wireless Stereo Linking Easily control your Bluetooth music with Play/Pause, Next/Previous Track buttons and AM/FM radio with 6 preset buttons per band