[What We Offer] ikuai 7 Port Aluminum USB 3.0 Hub, 3.3ft/1m USB 3.0 Cable, Upgraded 5V/3A Power Adapter, User Manual. If there are any product issues during the use of the 7-port powered USB 3.0 hub, we provide 24-hour customer service, provide maintenance, and return services. [Syncing Data Rates up to 5Gbps] This USB data hub supports data transmission speed up to 5 Gbps, plug and play, no drivers required. Compatible with Windows / Mac OS / Linux, and backward compatible with USB 2.0 / 1.1. [Switch Control USB Data Hub] Each port of the aluminum USB 3.0 splitter has its power switch. The LED light flashes during data transmission, and it is easy to identify each port's working status. [5V/3A Power Adapter Equipped] The powered USB 3.0 hub works both bus-powered and self-powered. The 7-port USB 3.0 hub equipped with a 5V/3A power adapter allows power-hungry devices such as large-capacity external HDDs with more stable data transmission. [7 Port USB Extension] Instantly expand 1 USB 3.0 port of your computer into 7 ports, this USB port hub allows you to connect multiple USB devices at the same time, such as external hard drives, flash drives, printer, keyboard, mouse, card reader, headphone, microphone, webcam, etc.