Amazon.com: Novation Impulse 49 Keys USB bus-powered MIDI Controller Keyboard – Robust, ultra-responsive, full-size piano keyboard with aftertouch and velocity-sensitive pads – works on Mac or Windows : Musical Instruments
How To Connect MIDI Controller to Garageband iOS – Producer Society
Classic Cantabile MK-61 USB Midi Keyboard
Amazon.com: Akai Professional LPK25 Wireless | Bluetooth-Enabled 25-Key Velocity Sensitive Mini MIDI Keyboard for Production and Performance, Suitable for iOS, Mac and PC Applications : Musical Instruments