1. Onboard standard CM4 connector, support access to CM4 Lite / eMMc series boards with Quad Core Cortex A72 64-bit processor, more powerful performance 2. Easily compatible with the interfaces of Raspberry Pi 3B / 3B+ boards 3. Onboard headphone jack (extended from USB) 4. Onboard 4-ch USB ports, compatible with USB 2.0 / 1.1 transmission 5. Onboard RJ45 Gigabit Ethernet port, 10 / 100 / 1000 M adaptive 6. Onboard PoE header, for connecting PoE HATs
