Compact USB wired keyboard compatible with learning apps, lightweight and convenient to carry. - Color: Green - Type: Wired Keyboard - Connection: USB - Usage: Compatible with learning applications - Features: Compact design, lightweight Thank you for viewing. The above text was created by AI. This is the Shinkenzemi Elementary Course Challenge Touch 6th Grade Special Keyboard. It says it's for the Challenge Pad, but it might work with other devices, but please use it at your own risk. It has been opened for the purpose of listing, but it is unused. It appears to be microB. Please make your judgment based on the photos. Since it is a stored item, the operation has not been confirmed. Please purchase with your understanding.