【4-IN-1 USB HUB】: The 4-port USB hub provides one high-speed USB 3.0 port, two USB 2.0 ports and a TF card reader. 【Efficient Heat Dissipation】This USB hub for laptop is designed with a special aluminum housing and ultra-thin body to ensure portability while increasing heat dissipation efficiency by 20%, which will allow for the fastest data transfer speeds.
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