Our Top of the line, Picnic Plus Blue Tooth enable rolling cooler has 2 speakers and a detachable trolley. Synch up your device to the rechargeable Blue Tooth power pack (included) and you are ready for any outdoor event. The Beast Blue Tooth Rolling Cooler features a large leak-proof removable liner, thermal foil insulated compartment keeps food and beverages cold for hours. Front thermal insulated and side pockets for additional storage, easy access top panel and bottle opener. Cooler can also be removed from the trolley and carried by the shoulder strap. Heavy duty, all terrain wheels and extra long handle (extends to 36"L) makes this cooler the hit of any party. Holds up to 48 cans, rechargeable power pack runs 3-4 hours, folds flat for storage.