Item Type: DC IN Jack IO Board Material: PCB Applicable: For OS laptop A1466 Power Board,for MD761 2013 to 2015 Power Board USB Sound Card Board 1??Scope of Application: The IO board replacement is suitable for OS laptop A1466 power board, for MD761 2013 to 2015 power board USB sound card board? 2??Durable PCB: The DC IN jack IO board replacement is made of PCB material, which is wear resistant and durable, and has a long service life? 3??Easy Replaceable: The IO board replacement can repair and replace the for MD761 2013 to 2015 power board, so that your device has stable performance? 4??Simple Installation: The USB IO board replacement is easy to use and can be used after installation to meet your daily office needs? 5??Small and Compact: The small and compact body does not take up too much use space, which is convenient for storage and use