Thank you for viewing. ★ Product Description 【Condition】Brand new, unused 【Color】White 【Communication Interface】USB 2.0 【Switch】4 independent switches 【Product Overview】 The external USB 2.0 port hub has a built-in current protection device, effectively protecting connected devices and the HUB itself. Supports USB 2.0 to serial interface configuration, with a theoretical peak transmission speed of up to 480Mb/s, and is backward compatible with USB 1.1. Independent LED blue light display, supports hot-swapping, no driver installation required, plug and play. ☆ Notes Please pay attention to the following two points to ensure the product's performance and normal operation: 1. When unplugging the adapter plug from the power socket, hold the plug and pull it out, do not pull the power cord. 2. Turn off the power when not in use (if not used for a long time, unplug the power adapter).