The SureFire Axis Gaming Bungee Hub with multicolour RGB backlight has a flexible support arm which holds the mouse cable securely in rubber clamps. There are three USB 3.2 Gen 1 type A ports and one microSD slot. The hub has an optional power supply to support accessories with heavier power requirements. It is a metal construction with a weighted base and rubber anti-slip feet. System Requirements: Notebook with USB port or power supply with USB 2.0 and higher (5V/500mA) USB 3.2 Gen 1 or USB 2.0.