The continuous advancement of electronic technology has enabled the market for portable devices such as smartphones, pads, digital cameras, MP3 players and personal digital assistants (PDAs) to continue to grow rapidly and in greater numbers. In driving these technology products also led the development of its peripheral products. Usb charging station for multiple devices is the most rapid development, because Usb charging station for multiple devices, power adapter is the main power of these high-tech products. Without electricity any kind of high-tech products can not run, for people in today's society, What would our life be like without mobile phones and laptops? Really can not imagine. In life, whether we are in the bus or in the hotel, as long as people sit down and feel bored, the first thing they do is take out their cell phones or other technology products. For them, these technology products have become an important part of their lives, and they can hardly live without the technology products. It's like a few ad designers, who have never been able to do without laptops and would not be able to work without them. So now all kinds of social science and technology products and our life has been combined, and this makes the use of the Usb charging station for multiple devices is very large. For most people, a cell phone using a USB charger is enough, but for some sales staff, the phone is their work.So they need two more Usb charging station for multiple devices, one at home, one at a company, and a few at frequent places.