Urbano Design Silicone Amplifier for iPhone 4 / 4S, Green & Blue

The Urbano Design Silicone Amplifier for iPhone 4 / 4S (Green & Blue) amplifies your music up to 4 times. This compact, washable and ecologic speaker lets you take your music everywhere and it amplifies the sound without the need of batteries and cables. It is also compatible with speaker-phone mode so you can use it in call conferences to enhance your iPhone microphone and speaker.