Rolling Speaker Cooler Black/Grey. This rolling cooler with speakers is a must-have for at the beach, barbeque or outdoor gatherings and comes packed with features! On the front, there are dual powerful loudspeakers that are compatible with almost any MP3 device. This enormous rolling cooler comes with a bottom board insert for extra rigidity and is capable of carrying up to 60 cans, perfect for parties! It comes with a removable,