About OYAYO MK20 Music-making Controller Explore more musical possibilities The plug-and-play MIDI Keyboard with universal compatibility for instant integration with your favorite host music production app (DAW); Effortless control, compact size, and ready to be creative right out of the box Previous page Jack Connection The jacks are for sustain pedal, MIDI and USB connection, which provides precise output, improving the stability and quality of music creation. Compact & Light-weighted Portable and compact design means it easy goes anywhere, great for travelling and jamming on the go. Next page Compatible More Devices & APP Explore more playability 25 key MIDI keyboard are highly compatible with various DAWs, such as Cubase, Nuendo, FL studio, GarageBand, etc. Connect to computers, synthesizers, phones, iPad Connection Guide 1.USB A to USB-C Cable (Direct Connection to Computer) 2. MIDl Cable Connect to Synthesizer (Additional Power Supply) 3.USB Cable + OTG Adapter Use the OTG adapter to connect (avoid direct connection to mobile devices) lightning user would need to buy OTG separately BT Connection Guide 1. Go to the Settings icon 2. Select Advanced from the drop-down menu. 3. Select Bluetooth MlDl Devices 4. Select Midi piano from the drop-down menu to connect.