Features: Expand your forRaspberryPi USB capabilities with thisforRaspberryPi USB expansion board. Featuring 4 USB ports, this board is compatible withUSB2.0 for seamless data transfer. Designed specifically forRaspberryZero/ZeroW/3B/3B+ development boards, this USB expansion board is perfect for techenthusiasts and DIYers. Say goodbye to limited USB ports simply connect this board forRaspberryPi and instantly expand itinto ahub ofconnectivity. Whether you're working on a roboticsproject or setting upmedia center, this USB expansion board is a versatile accessory that enhances the functionality forRaspberryPi. Specifications: ForRaspberryPi USB Expansion Board USB：4 Ports USB3.0 compatibleUBS2.0 USB1.1 Voltage :5V For:forRaspberryZero/ZeroW/3B/3B+ Size：approx 65mmx30.2mm/2.56x1.19in Package Includes: ForRaspberryPi USB Expansion Board note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.