Please note: Designed for data transfer, devices at the same time. Can't charge Apple devices If you plug it into the charger instead

Upgrade version: 2 port upgrade to USB 3.0, speed up to 5 Gbp/s. Two downstream USB 2.0 Ports speed up to 480 MB/s, easy to use, Suitable for PC, laptop, Mac and any USB enabled computers

Portable design: with mini size, the feature of portable can let them be carried to anywhere you want

Plug & play: support hot-swappable on windows 7/Vista/XP/2000/ME/98/8/10; Mac OS 8.6-9.2/osx-10.6

Usb port Expander: split your single USB port into 3, a USB interface can be extended to multiple to work independently