Neutral logo can be customized, and the quality can be customized according to brand quality. For more quality, you can contact and discuss in detail whether the warranty promises to be returned in seven days, replaced in ten days, and guaranteed in December. Output plugs can be customized in the United States, Europe, Britain, Korea, India and Australia. usb protection function, short circuit protection, overcurrent, overload and overvoltage protection are aging. All of them have passed the certification, fcc and ce certification after full load aging.