Welcome to the store! 1. Perfect Compatibility: This expansion board is perfectly compatible with Raspberry Pi Zero 2W to 3B. The Zero 2W main control CPU and Raspberry Pi 3B are the same model, ensuring seamless integration. 2. Unique Adapter Design: Features a unique adapter design for direct insertion and a strong sense of unity. 3. Extension Ports: Includes a High Definition Multimedia Interface female port and a built-in 4-way USB expansion port, compatible with USB 2.0/1.1 transmission. 4. GPIO Height: The GPIO height position perfectly inherits the GPIO height of 3B and Zero, allowing customers who need to insert various GPIO expansion boards to do so seamlessly, with the height remaining unchanged. 5. Easy Installation: Can be installed directly to Raspberry Pi Zero, Zero W, Zero WH. Through jumper testing, it can be connected to other versions of Raspberry Pi or a general computer or Android mobile phone via USB cable. Item Type: Expansion Board Material: PCB Expansion Interface: USB2.0x4 High Definition Multimedia Interface Female Port Applicable Motherboard: for Raspberry Pi for Zero 2W Includes: 1 x Expansion Board 1 x Charging Cable Your 100% satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!