This large is designed to hold a large amount of different kinds of mobile phones and electronic devices including the Apple iPhone with or without cases, Android Phones, Windows Phones, and Blackberries. The cradle has rubber overmoulded locking side clamps that close tightly on the item you want to hold. To release the clamp hold, simply press the button found at the bottom side of the cradle which will spring the clamps open. At the base of the cradle are two small support legs that move along the base edge of the cradle. The legs support the bottom of the item securely in the cradle, while allowing cable connection to the unit.