"B" label for ages 12 and up.
<a href="https://en.wikipedia.org/wiki/CERO" class="extiw" title="en:CERO">CERO</a>
<a rel="nofollow" class="external autonumber" href="http://www.xbox.com/NR/rdonlyres/CD5E0222-08EC-442B-92FD-D737CF882818/0/XB360_CH_manu_060509.pdf">[1]</a>, <a rel="nofollow" class="external text" href="http://www.playstation.com/manual/pdf/PSP-1000-3.0_2.pdf">PlayStation Portable Manual</a>