I/O board contains ports for MagSafe, USB, and audio.
Power Board Audio USB Jack is tested and works great with no problems.
Part Numbers: 922-9972.
Printed Number: 820-3053-A.
<li class="maclist-li"><h4>Compatible with : </h4>
<ul>
Air 11 (A1370, Mid 2011).
MagSafe and MacBook Air are a trademarks of Apple Inc., registered in the U.S. and other countries and regions.