?Package Contents & Service?: ikuai 13 Port Aluminum USB Hub with individual switches and LEDs, 3.3ft long USB 3.0 A to B detachable cable, 12V/6A power adapter, user manual. If there are any issues with the powered USB 3.0 hub, we provide 24-hour customer service, provide maintenance, and return services. ?Aluminum Individual On/Off Switch?: The USB splitter is made of high-quality aluminum alloy, fast heat dissipation, anti-scratch. Each port of the USB hub has an On/Off switch with LED indicator, easy to show port status, each device can be turned on/off without unplugging it, with longer service life. ?High Speed & Wide Compatibility?: USB 3.0 hub provides up to 5 Gbps data speed, 10x faster than USB 2.0(backward compatible with USB 2.0), allowing you to transfer HD movies, photos, videos and music in seconds. Compatible with Win 7 / Win 8 / Win 10 / Win 11, Mac OS 10, Linux and above. Plug & Play, no drivers needed. ?72W Stable & Safe Supply?: Powered USB 3.0 hub comes with a 72W(12V/6A ) power adapter, provides stable and fast transmission even when using multiple HDDs. USB splitter built-in surge protector, with overvoltage protection and overcurrent protection, ensures the safety of the devices and data, supports hot-swapping. ?13 Port USB 3.0 Powered Hub?: The Multi-port USB hub easily expands 13 ports to the notebook, desktop, smart TV or gaming host, and can connect flash drives, hard drives, card readers, printers, mice, keyboards at the same time. Support BC1.2 charging protocol can charge mobile phones, iPad, USB fans and other devices.