The Surf Sound Waterproof Speaker Case is the must have accessory for the pool party, at the beach or in the shower The waterproof housing is designed to enhance your smartphone and MP3 player experience. It works with any device that fit inside - Internal dimensions (W x H x D): 2.4-Inch x 4.56-Inch x.43-Inch -It even fits your iPods and iPhones. Just insert your device, connect the 3.5mm cable and listen to your favorite music in damp, humid, wet and dusty environments safely without causing damage to your device. The front screen is constructed of soft panel engineered plastics to allow touch screen ability while your device is secured inside -youll be able to change between tracks and even send text messages while its inside Requires 3 AAA batteries (not included).