The iPhone 4 power backup case is almost the slimmest one in the world. It sports a versatile 2-in-1 design which combines with a power backup. The anti-broken construction offers reliable protection against unexpected impact.

• Charge or SYNC with iTunes without taking iPhone4 out of the case.
• *Sophisticated design, never scratch the back of iPhone4.
• More than 200% increase of iPhone4 running time.
• Tested, compatible with iPhone, Apple Inc. approved.
• 4 LEDs to show the battery capacity.
• Different colors are available.