The Smart Safe - iPhone and Android Mini Safe is the smart way to store your items! The Smart Safe is based on contact-less technology and can only be unlocked with your smart device. Easily unlock the safe using your iPhone, iPod or Android device. Download the free app for the Apple App Store or Android Market and create a 4-digit PIN Code. Anytime you want to unlock the safe, just insert your device into the port, enter your PIN code and if correct, the safe will unlock! This safe brings fun and privacy to your desktop and with ample room inside you can store several personal belongings. PLEASE NOTE: The Smart Safe is compatible with iOS and Android systems, however please make sure your device is no larger than 15cm in thickness and 6.9cm in width.