Featuresr accordant with qi standard put forward by wpcr versatility suitable for all wireless charging devices based on the qi standard such as nokia lumia920 lg nexus4 htc 8x in international edition i9300 n7100r convenience small and exquisite easy to carry without twining electric wire and just put down to charge up convenient to use in home office public area etcr safety with low output voltage 5v it is safe to user sensibility possess a special warning tone before cha