Royal Blue Werner Beat Water Bottle It’s a water bottle! It’s a phone! It’s an amplifier! The triple threat Beat Bottle features a handy cutout to store your IPhone. Ideal for the gym, travel, or the car, this multifunctional silicone vessel can also turn up the volume-just flip it on its side to amplify the music playing on your phone. This product is made of ultra-flexible and highly durable food grade silicone.