There have many good ideas about the iPhone case that can look great and keep your phones safe. Some case that give your phone a little extra battery power when you need, and another covered a few apps that help you thwart an attack in an attempt to protect you. However, now there has such a case that does it all.
Yellow Jacket, said that the worlds first smartphone defense case, because this nifty, iPhone case features a whopping 650K volt stun gun, AND an external battery that can give you about up to 20 hours of additional standby battery time. Apart from that, this simple case also deliver an incapacitating jolt and inflicts a would-be attacker with some serious pain which also offer you the time, you can get away and then leaves you with enough battery life to call the police. It is useful especially for the girls.
It is compatible with iPhone 4 and iPhone 4S, come in black, white, pink and limited edition gold, you can preorder it at yellowjacketcase.com.