Hear the sound of your favorite tunes for anywhere while keeping your active lifestyle on the run! This is not only a water bottle, but also a speaker. If you have an active lifestyle, then this is the best of both worlds. Take it with you to your next adventure. The 2 in 1 speaker features the latest 4.0 Bluetooth technology, tritan co-polyester BPA nontoxic material and handles up to 400mL/ 12 oz. of water.