Welcome to the store! Quickly test the USB port functionality of your USB HUB/Type-C docking station to boost productivity and enhance testing efficiency. Equipped with dust covers, debris protection, and enhanced interface security. Easily detect USB3.1/USB3.0/USB2.0 interface speeds and functions for seamless identification. Effortlessly test USB interface speeds, improving detection efficiency. Simple to test mobile phone interface speeds, automatically identifying the transfer rate of mobile phone interfaces. Note: Due to different production batches, there may be slight differences in appearance, which do not affect usage. Color: Black Material: Aluminum alloy Package Contents: 1 * USB interface tester with hanging rope (lanyard color is random and cannot be specified) 1 * Type-C to USB adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!