Designed to be compatible with MacBook Air 13 inch (models: A1369 & A1466, Release 2010-2017); compatible with MacBook Pro 13 inch with Retina Display (models: A1425 & A1502); compatible with MacBook Pro 15 inch with Retina Display (model: A1398); compatible with MacBook Pro 13 inch with CD-ROM Drive (model: A1278); compatible with MacBook Pro 15 inch with CD-ROM Drive (model: A1286) and compatible with iMac Wireless 1st Gen Keyboard (MC184LL/B), NOT compatible with other unmentioned models.