Extended Power Battery Case for iPhone 6 Plus & 6S Plus (BX140plus)

Features 100% Apple MFi Certified and Approved  Slim, lightweight and compact design for portability.  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).  Power LED Indicator is the level of power your battery case is currently charged.  Doubles your iPhone battery power to keep you going throughout the day, essential for traveling, camping and business trips. Easy access to all ports, switches and buttons. Specifications Capacity: 4000mAh Dimensions: Length = 0.5 inches x Width = 3.2 inches x Height = 6.8 inches  Weight = 4.6 ounces  Input Voltage: 5.0V/1.0A  Output Voltage: 5.0±0.25V/1A  Charging Power Level: 1 Light = 25%, 2 Lights = 50%, 3 Lights = 75%, 4 Lights = 100%  3.5mm Headphone Adapter Cable to plug in headphones/earbuds or auxiliary cable.  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).