BoomCupz are the latest trend in insulated drinkware. Not only are they waterproof, but they feature an attached Bluetooth speaker for you to bring your music with you everywhere you go! With easy maintenance and a 9 hour battery life, there is a model, size, and color for everyone and every lifestyle. Combine the best of both worlds: music and drink. The necessity of a beverage and the desire for your favorite tunes makes BoomCupz a unique and sensible part of your everyday life.