This seems to be easy to use, so how about it as a replacement? ■IK Multimedia iRig KEYS iRig Keys Universal □Contents ・Keyboard body only ・Operation confirmed ・No Lightning, 30-pin, or USB cables ・No instruction manual ・No box □Condition ・I received it from an acquaintance who is a sound composer, but I'm selling it because they needed an 88-key keyboard. ・I was told that the operation has been confirmed to be problem-free. ・Keys are yellowed □MIDI Keyboard Controller (Discontinued) Specifications ・Keyboard: Mini 37 keys (velocity-sensitive) ・Power: USB bus-powered ・Size and weight: W 503 x D 120 x H 40 mm, 660g ■Operating Environment ・iOS iPhone 6 Plus, iPhone 6, iPhone 5s, iPhone 5c, iPhone 5, iPhone 4s*, iPhone 4*, iPhone 3GS*, iPod touch (3rd*, 4th*, 5th generation), iPad Air 2, iPad mini 3, iPad Air, iPad mini 2, iPad 4th generation, iPad mini, iPad 3rd generation*, iPad 2*, iPad* iOS 4.3 or later *30-pin devices require a separate 30-pin cable. ・Android Android 5.0 or later and Samsung Professional Audio devices. ・Mac Mac OS X 10.6 or later ・Windows Windows XP (SP3), Windows Vista (SP1), Windows 7, Windows 8 *Lightning to Mini-DIN conversion cables are available at the IK Multimedia store. #IK Multimedia #MIDI keyboard