Compatible with any generation Apple iPhone, iPod, or iPod touch * Special high-output battery allows for ultra-fast charging of your device, up to twice as fast as conventional batteries * Improved conversion efficiency means more power actually makes it to the device * Two-tone metallic and soft-touch finish with a retractable 30-pin connector distinguishes the reserve from cheaper products * Four-LED status indicator disappears when not in use; super-bright LED is usable as flashlight