7 In 1 COMBO USB 2.0 HUB Reader(7-ports) Tag-For 360 Earpiece speaker dustproof mesh for

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7 In 1 COMBO USB 2.0 HUB Reader(7-ports) Tag-For 360 Earpiece speaker dustproof mesh for1. One USB interface can be expanded into three, which is compact, practical and convenient. It can expand three USB 2. 0 interfaces, each with a power supply of 500MA 2. Connect directly to the computer, no need for external power supply, simple and easy to use 3. The computer automatically recognizes and installs, no driver is needed, plug and play, plug and unplug 4. USB2. 0 interface, support USB1. 0 1. 1, transfer speed 1. 5 12 480MBPS 5. Built