<b>Features</b>: <br>Slim, lightweight and compact design for portability. <br>4000mAh built-in battery will provide your iPhone 6/6S Plus up to one more charge when needed (keep in mind, using your iPhone while charging the device with the battery case may reduce the total charge to your iphone's battery power as it will use some of the additional battery power). <br>Power LED Indicator - Will indicate the level of power your battery case is currently charged. <br>Doubles your iPhone battery power to keep you going throughout the day, essential for traveling, camping and business trips. <br>Easy access to all ports, switches and buttons.<br><br> <b>Specifications:</b> <br>Capacity: 4000mAh Li-Polymer Rechargeable Battery <br>Dimensions: Length = 0.5 inches x Width = 3.2 inches x Height = 6.8 inches <br>Weight = 4.6 ounces <br>Input Voltage: 5.0V/1.0A <br>Output Voltage: 5.0±0.25V/1A <br>Standard micro USB cable (can be used for data transfer for iOS and PC compatible devices such as Macbooks and Laptops to sync music and files to iTunes). <br>UL Certified Battery: highest certification for batteries to ensure the safety of our customers (note: using aftermarket USB cables and/or using USB chargers that supply more power than the input of this product can cause extreme heat generation, explosion, or fire... as is the case with any electronic product). <br>MFi certification: compatible with all functions of the iPhone, and work with all versions of the iOS operating system. <br>FCC, CE and RoHS: meets all consumer regulatory requirements in the United States and the European Union.<br><br> <b>Package Contents</b>: <br>1x Battery Case <br>1x Standard Bumper <br>1x Aux Adapter <br>1x Micro USB Cable <br>1x Screen Protector <br>1x User Manual<br><br> <b>Satisfaction Guaranteed:</b> We offer a <b>2-Year</b> hassle-free warranty to ensure long-lasting coverage, power and protection!