its called USB-HUB3.0 4PORTS
The 4-Port USB 3.0 Hub from BLAB TECHNOLOGY allows you to connect more peripherals to your computer as well as charge one USB device such as a smartphone or tablet. Super Speed USB 3.0 technology offers data transfer speeds up to 5 Gbps, and is backwards compatible with USB 2.0. The hub features built-in voltage and current control as well as leakage and short-circuit protection. It is plug-and-play compatible, requiring no additional drivers, and works with Windows, Mac, and Linux operating systems.
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