diff --git a/overlay/OPlusFrameworksResCommon/res/values/config.xml b/overlay/OPlusFrameworksResCommon/res/values/config.xml
index 4b2a591..e97f126 100644
--- a/overlay/OPlusFrameworksResCommon/res/values/config.xml
+++ b/overlay/OPlusFrameworksResCommon/res/values/config.xml
@@ -136,4 +136,13 @@
         <item>nfc,1</item>
     </string-array>
 
+    <!-- Safe headphone volume index. When music stream volume is below this index
+    the SPL on headphone output is compliant to EN 60950 requirements for portable music
+    players. -->
+    <integer name="config_safe_media_volume_index">18</integer>
+
+    <!-- Safe USB headset gain. This value is used to ensure that the SPL on the USB
+    headset output is compliant to EN 60950 requirements for portable music players. -->
+    <integer name="config_safe_media_volume_usb_mB">-1650</integer>
+
 </resources>