Youmile 4 Port USB Hub HAT USB Expansion Board Module USB2.0 1.1 Onboard USB to UART,with Micro USB connector Card reader USB cable for Various Version of Raspberry Pi Perfectly

• 【Product features】: This is a 4-port USB hub, which provides more USB functions for Pi. In addition, it also has a USB to UART converter for easy serial communication.
• 【Convenient debugging】: onboard USB to UART, convenient for Raspberry Pi serial debugging
• 【View multiple statuses】: onboard multiple indicators for monitoring power, USB to UART and the status of each USB port
• 【Product parameters】: Operating voltage: 5V; Dimension: 65mm × 30mm; compatible with USB2.0 / 1.1
• 【Multi-version usage】: It can be used with various versions of Pi, and the size of the circuit board is designed to completely fit zero/zero W/zero WH.

Product description Features: This is a 4 port USB hub for Raspberry Pi, provides more USB capability to your Pi, what's more, it features USB to UART converter for easy serial communication. It can work with various versions of the Pi, and the size of the board is designed to perfectly fit the Zero / Zero W / Zero WH. Specifications： Operating voltage: 5V Dimension: 65mm × 30mm Mounting hole size: 3.0mm Package Includes: 1 x USB HUB HAT Board 1 x USB Cable 1 x Micro USB connecto 1 x Card reader