The Mophie Juice Pack Plus Battery Pack (Red) for iPhone 4 & 4S is a battery pack designed to provide more than double the time you have to rock out, talk, surf and send using your iPhone 4/4S. It allows you to do the things you like to do most - browse the web, download apps, send emails, or watch videos - without worrying about finding a power outlet to recharge. The Juice Pack Plus features a comfortable, ergonomic design with the complete protection of a dual-injected hard shell case and protective rubberized band. A handy switch allows you to toggle back and forth between standby and charging mode; so you only have to use the battery pack when you need it.
When using the Juice Pack Plus, you'll have full access the controls of your iPhone. Plus, it has acoustic sound-enhancing speaker ports for a richer, fuller sound quality. The pack comes with a micro USB cable, so you can charge and sync your iPhone with your iTunes account. Additionally, four LEDs on the bottom let you keep tabs on how much power is left in the Juice Pack Plus battery. They'll also let you know when your Juice Pack is charging. Given the amount of protection and power the Juice Pack Plus provides, it's great for traveling and everyday use.