Chip model is AT90USB1286, ARV microcontroller software development and learning the best experimental board, has been installed Bootloader program, you can directly download the application code through the common USB interface, very helpful for beginners.USB can be any type of device;AVR processor, 16 MHz;Single pushbutton programming;Easy to use Teensy Loader applicationCompatible for ;Free software development tools;Works with OS X, Linux & Windows;Tiny size, perfect for many projectsAvailable with pins for solderless breadboardColor: picture colorMaterial: PC + metalPackage Contents:1 * Teensy 2.0++ USB AVR Development Board1 * USB CableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.