Mediasonic USB 3.0 7 Port Hub with 24W Power Adapter (HH5-U37P) (7 Port USB 3.0) USB 3.0 SuperSpeed 5.0Gbps data transfer speed (backwards compatible with USB 2.0) Intelligent dynamic charging current control Two USB Ports support "Always On" for mobile device charges with max 5V / 2A charging current per port Maximum 24W power output support fast charging for most smartphones and tablet with standard USB 5V power Safety Protection including: Over-Current Protection, Over-Load Protection, Over-Voltage Protection, Over-Current Protection, AC Input Inrush Current Protection.