Check the listing for details. Akai MPK mini Special Edition Black 25-Key USB Keyboard Controller. Condition: Open box, Made in China. Listed at 56.00 USD. The Akai MPK mini Special Edition Black 25-Key USB Keyboard Controller is a digital keyboard controller with 25 keys, designed for music production. It features a USB output port for connectivity, making it easy to use with various music software. This special edition model includes software and is compatible with USB devices, making it a versatile tool for musicians and producers looking for a compact and portable keyboard controller. With the trusted Akai brand name, this controller is a reliable option for those in need of a high-quality music-making tool.