Wal-PD506 product is Xiuwaihuizhong be described as a mobile power, in terms of appearance, it used with the Apple Computer same ceramic material, is not only stylish, but also has a higher bearing pressure, is using the ergonomic arch design, with excellent grip. The internal aspect is the use of 15600mAh large capacity battery and eight major security system would not be the problem of insecurity due to over-current, short circuit occurs. Features: Dual U a charge speed fast charge without injury fertile PD506 mobile power product uses a dual USB output interface, the two devices can be charged at the same time, more can be done through charging discharge, maximum charging time saving . It also uses a synchronous rectification technology, making its charge effectively improve conversion rates, and uses a constant voltage constant current technology, the use of 5V / 2.1A interface for mobile phone charging, speed can be done without injury, will not affect to the phone battery life.