Bought one a few months ago, great quality power bank!
20000mAh Capacity and Compact Size: Taurus X4 is smaller than iPhone 6 Plus, and charge iPhone 6 almost 8 times, iPad Air almost 1.7 times, Galaxy S6 almost 5.7 times. For New Macbook, please buy another USB to Type-c Cable,X4 can charge New Macbook almost 1.2 times (imuto USB-Type C cable is able to separate purchase).
Smart Power Technology: Both USB ports detect your device intelligently and deliver the faster charge. 2USB ports (2.1A & 1A) charge 2 devices at the same time.
Smart Digital Screen shows remaining power in digital format, and it's hidden until activated.Taurus X4 fits for almost all USB-powered devices. With built-in LED flashlight.
Multiple Smart Protection System: keeps your devices safe from over-charging, over-voltage, over-current, and short circuit.
What You Get: Taurus X4 Portable Battery External Battery Power Bank, Micro USB cable, Travel waterproof pouch.