This portable and lightweight extended battery is small enough to easily fit in a purse, briefcase, backpack--even in the palm of your hand. This powerful battery has a modern slim, sleek, and stylish design. The EZ Stone contains a portable, rechargeable lithium ion battery, strong enough keep your smartphone charged on-the-go. EZ Stone connectors allow you to charge your micro or apple device without the hassle of a cord. Micro USB cable and velvet bag are included.