Tylt Energi Sliding Power Case for iPhone 5/5S - Retail Packaging - Green High capacity 2500mah battery provides a full charge to your iPhone 2pc design lets you slide off the bulky battery part when you don't need, but the thin inner case allows you to continue to protect your phone Includes a 3.5mm headphone adaptor to ensure your headset is compatible with the power case Features a multi-color led so you always know how much juice you have Smooth soft touch finish feels great in your hands