Computer Accessory Sets features: 3life-308 5V 0.5A 4 USB Interfaces Air Force One Extender HUB Data Hub (Pink) Color: we send based on the color or size of the main image of the product page. Quantitywe send based on quantity on title, if there is no quantity in the title, we send based on . 1.One line and four USB 2.0 ports, stable connection, to meet more needs, do not worry about the interface is not enough. 2.Compatible with mobile phones, iPad, U disk, card reader, mouse, hand-painted board, USB fan and other USB devices, can be used at the same time, charging and transmission are not delayed. 3.Built-in high-performance chip, no need to repeatedly copy data, exchange data, one-click completion, saving time. 4.Point counter current protection / voltage overload protection / temperature overheat protection / circuit over discharge protection design, safer to use. 5.The aircraft shape saves space, small size and easy to carry.