Check the listing for details. M-Audio Axiom Air Mini 32 USB Midi Controller (No USB Mini-B Cable). Condition: Used, Made in China. Listed at 30.00 USD. The M-Audio Axiom Air Mini 32 USB Midi Controller is a compact and portable DAW controller designed for music production. With 32 synth keys, this controller is perfect for controlling your software and creating music on the go. The sleek design and brand reputation of M-Audio make this a reliable choice for musicians looking to enhance their setup. 15 1/2" long by 7 5/8" wide by 1" thick. Does not come with USB mini-b cable (needed for computer connection). Keyboard is not charged. If you have any problems with it, we will take a return. Please see all item specs. and pictures for more details.