Will this case work with all models iPhone 4?
Yes, this case is designed to work both with the Verizon and AT&T iPhone 4.
How does the Hybrid Case compare to a traditional protective case?
The Hybrid Case doubles as a traditional case with a superb soft touch feel and durable protection and as a power case. The Hybrid case is Smart Battery compatible which means that when you need extra power to get you through your day you can simply attach a Smart Battery to the Hybrid Case and enjoy nearly double battery life. When you no longer need additional power, remove the Smart Battery and enjoy your sleek case.
What are the three gold rails on my case?
We have created the unique Third RailTM Rail System to seamlessly transfer power without the need for cords. When two Smart Batteries are stacked or a Smart Battery is attached to a Third Rail case, power is seamlessly transferred via the gold rails.
Can I charge and sync my iPhone without removing my case?
Yes! You can charge/sync your iPhone using the included micro-USB cable.