Egg Beats are the self powered silicone speakers for iPhones! There are no wires or batteries, and are easy to use! It dramatically increases volume and clarity, and can also work as a speaker phone! You"ll never have to worry about recharging it, and you can use it as a speaker phone. Works with iPhone 4, 4s and 5. Available in four assorted colors - blue, pink, orange, and green. We will ship one of the four colors at random.