Features: 1.Wide range of power input, adapting to variety of voltages for different countries. 2.Four ports of intelligent identifying charging 3.Power indication 4.Direct linkage to AC power, no need of external power sources 5.Multiple internal protections, for the safety charging of the devices 6.Internal fast-charging chips, for the rapid speed of charging 7.Suitable for digital devices: cell phones, digital camera, mobile power banks, blue-tooth speaker boxes, etc. 8.Laying slots, for positions of 4 cell phones at the same time Specifications: Model: USB520 Material: ABS(Acrylonitrile Butadiene Styrene plastic) Color: Black Compatible With: for iPhone & Sumsung & HTC & Xiaomi & Huawei & LG, etc. Input: AC 110-240V 50-60Hz Output: DC 5V 5A Compliant to USB-Charging devices: Size: approx. 80x145x35mm(Power cord excluded) Cable Length: 1.2m Operating Instruction: 1.Link one end of teh AC cord into the 8-shape AC socket of the product, and plug the other end into the AC power outlet. 2.Plug the USB cable into the port of the product, with the other end linked to the device to be charged. 3.Place the cell phones, tablet into the laying slots if you like. 4.The first laying slot could be used for working operations during charging process, foe example watching pictures or videos.