Product details:

XKey 25-Key Mobile MIDI Keyboard Silver Connect it to your favorite device, launch your favorite app … and your recording studio is open for business. Xkey is pro standard. But even if you're still learning to play the keyboard, you'll love the quality and features. Simply plug Xkey into your device and play with the best apps. Xkey is a fully compliant, USB MIDI controller (MIDI is the standard for professional quality music). Xkey has two octaves … and a quick-touch button to instantly go 3×3 octaves higher or lower. Our keys are real size keys and press-volume sensitive. So you can play fortissimo or pianissimo. Build emotion into your compositions!