Features: Multi functional development board: This product is a multifunctional development board that supports various experimental applications such as keyboard, mouse, ISP, and USB flash drive, meeting different development and testing needs.Teensy 2.0 USB AVR: Using the Teensy 2.0 USB AVR chip, it has high performances processing capabilities and stable USB connection, reliably supporting various application scenarios.Powerful scalability: Supports rich interfaces and pins, making it convenient for users to expand and customize their functions according to their own needs.Easy to use: Provides a friendly development environment and a simple and easy to understand programming language, allowing users to quickly get started and implement various functions.Strong compatibility: It has good compatibility with mainstream operating system and software, and can be developed on multiple platforms such as Windows.Specifications: Item: Development BoardChip：Teensy 2.0 USB AVR ChipChip Model：ATMEGA32U4Size:as PicturesPackage Includes: 1 Set Teensy 2.0 USB AVR Development Boardnote: Please allow 0-1cm error due to manual measurement. .Due to the difference between different monitors, the picture may not reflect the actual color of the item.