ARKCANARY II is an analog acoustic speaker for the iPhone 4. It boosts the volume of the existing iPhone 4 speaker. Users simply slide their iPhone 4 into the ARKCANARY II. It's that simple! Our brand goal is to create fun products for existing digital devices. There is simply no reason why smart digital products can't be more upbeat, emotional and engaging. With ARKCANARY II, your iPhone will be turned into more than just a phone. It will free you, as you will be able to hear quality sound much further away from your device.