The powerful 3500mAh battery charger case built-in lithium polymer battery can effectively provide 130% additional battery life to your iPhone 6 6S (4.7 inch)</br>Incredibly Slim convenient enough to fit easily in your hand or in your pocket. Charge your devices anytime anywhere.</br>Provides additional protection for the iPhone 6/6S against daily wear and tear scratches and scrapes.</br>Full charge your iPhone only takes 2-3 hrs the same time needed to full charge the external battery case with the lightning cable( Not included).</br>Reliable Quality - Every item would be strictly tested before shipping out to make sure the user experience. Any question contact Fantasic LLC Team freely.</br></br>Product Description</br></br><b>Note:</b> <br>The case needed to charged full with lightning cable(not included). <br> <br>Please use your apple headphone (auxiliary extender not included). <br><b><br>Features: </b><br><br>1. Easy installation and removal. <br><br>2. 4 LED battery level indicator lets you know exactly how much power you have. <br><br>3. One touch power button on the back of the case to activate your charging case with built in smart sensor to prevent overcharging and overheating. <br><br>4. To charge & sync your iPhone 6 6s with lightning cable no need to remove battery case. <br><br>5. Smart Battery (Optimized to lengthen your Phone performance time; No more out of power dilemma during important phone conversations) <br><br>6. Built-in protective IC circuit to prevent damage and to make sure there's no short-circuiting?? over-heating?? or over-currents. <br><b><br>Specifications: </b><br><br>Compatible: For iPhone 6 /iPhone 6s 4.7 inches<br><br>Capacity: 3500mAh Li - Polymer rechargeable battery<br><br>Input: DC5V/1000mA<br><br>Output: DC5V/1000mA<br><br>Charging time: 4-5 hours<br><br>Connector: LightSync (compatible Apple's lightning cable) <br><br>Net.Weight: 85g<br><b><br>How to use: </b><br><br>1.Use iPhone charger cord(or any