Using pogo pin connection, the Zero 2W can be easily attached; Easily compatible with the interfaces of Raspberry Pi 3B / 3B+ boards; Onboard headphone jack (extended from USB) and an additional speaker header; Onboard 4-ch USB ports, compatible with USB 2.0 / 1.1 transmission; Onboard RTL8152B Ethernet chip, support 1-ch RJ45 Ethernet port, 10 / 100 M adaptive. Not compatible with the first generation Zero