Take your tunes and drinks anywhere with this 28 oz. bottle that doubles as a Bluetooth speaker. Made from 18/8 double-wall stainless steel, it keeps drinks cold for 24 hours or hot for 8. BPA-free and cup holder friendly, it features a built-in mic for hands-free calls and a color-changing LED light. Add-ons include a 7-watt Pro Speaker (+$7.25), The Beacon light (+$17.50), or a powerbank charger (+$17.50). A fun, functional choice for the beach, golf course, or on the go.