?Please Note?Designed for data transfer, not for charging on the charger, don't have enough power to charge 4 devices at the. ?Extra Durable?Cable reinforcement, sturdy exterior and heat-resistant connectors ensure ultimate durability. Plug & Play and hot swappable. ?Portable Design?Designed with mini size, the feature of portable can let them be carried to anywhere you want. ?SuperSpeed Data?Up to 5 Gbps data speeds let you transfer an HD movie in seconds. ?4 USB 3.0 Ports?Extend one super-speed USB 3.0 port to four. Simultaneously connect up to four USB-A peripherals.