3x USB 3.2 Gen1 ports, compatible with USB 3.0 / 2.0 / 1.1. 1x Gigabit Ethernet port, 1000M/100M/10M compatible ^^ Onboard external USB-C 5V DC power port, ensures more stable power supply ^^ 1x power indicator and 3x USB port indicators, easy to check the operating status ^^ Driver-free, plug and play, compatible with OS including Windows, mac OS, Linux and Android ^^ Purpose-made for Raspberry Pi 4, compatible with other Raspberry Pi version as well. Comes with development resources and manual