1. Onboard 3 USB 3.2 Gen1 expansion ports, compatible with USB 3.0/2.0/1.1 transmission 2. Onboard 1 Gigabit Ethernet port, compatible with 1000M/100M/10M network 3. Onboard external Type-C 5V DC power supply interface to ensure more stable power supply for external devices 4. Onboard 1 power indicator light and 3 USB expansion interface indicator lights for easy viewing of working status 5. Driver-free, plug-and-play, compatible with for Windows, for mac OS, for Linux and Android systems, designed for Raspberry Pi 4, and also suitable for other Raspberry Pi motherboards Name:for Raspberry Pi USB HUB Expansion Board Applicable:for Raspberry Pi Colour:Blue Material:PCB Package Contents: 1 * Expansion Board Kit 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 measurement allowed error is +/- 1-3cm.