Instant expansion and SuperSpeed Syncing-This 7-port USB 3.0 data hub can instantly expand 1 USB 3.0 port to 7 external USB 3.0 data ports for keyboard, mouse, printer, hard drivers and more USB devices, syncing data at blazing speeds up to 5Gbps in no time. We have updated the adapter from 5V/3A to 5V/4A to improve the stability of large data transmission. Smart Charging Port- Besides 7 SuperSpeed USB 3.0 ports, this USB 3.0 splitter offers a charging dedicated port, which is able to charge your iPhone, iPad faster and safer. With the 5V/4A power adapter, it can provide charging power up to 2.4A. Simple Switch to Control- Equipped with individual on-off switches to control each USB port, atolla USB 3.0 hub saves the trouble of unplugging devices and help place them more rationally when you don't use them. Maximum Compatibility and Performance- Compatible with Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X (10.x or above), Linux. Fully plug and play, no drivers required and supports hot swapping