Supports one-to-four USB interface expansion. Supports USB 2.0 with a transmission speed of up to 480 Mbps. Features a power indicator and four USB signal indicators. The input end includes a 2A fuse, and each output USB interface is equipped with a 2A fuse, providing overcurrent protection, high performance, low power consumption, and cost efficiency. Application scenarios: Compatible with a wide range of USB devices such as keyboards, mice, card readers, USB drives, USB fans, drawing tablets, mobile hard drives, printers, and writing boards. Note: Due to different production batches, variations in screen printing or appearance may occur, which does not affect functionality. Color: Green Material: PCB Package Contents: 1 x USB 2.0 Hub Note: The package includes only the items listed above. Other products are not included. Note: Lighting effects and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.