diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 2edcd71721ca5..4d9b0ddde14b6 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -4153,11 +4153,42 @@ message MetricsEvent {
     // OS: O DR
     FIELD_PLUG_BATTERY_PERCENTAGE = 1024;
 
+    // Device Headset battery level on Plug
+    // CATEGORY: OTHER
+    // FIELD - The battery percentage when the user decided to plug in
+    // Type: integer
+    // OS: O DR
+    FIELD_UNPLUG_BATTERY_PERCENTAGE = 1025;
+
     // Device Headset Pose status
     // CATEGORY: OTHER
     //  SUBTYPE: 1 is 6DOF, 2 is 3DOF
     // OS: O DR
-    ACTION_HEADSET_POSE_STATUS = 1025;
+    ACTION_HEADSET_POSE_STATUS = 1026;
+
+    // Device Headset Usage session time
+    // CATEGORY: OTHER
+    // FIELD - The time the headset was used in a session
+    // OS: O DR
+    FIELD_SESSION_TIME_MS = 1027;
+
+    // Device Headset Idle time
+    // CATEGORY: OTHER
+    // FIELD - The time in between each session
+    // OS: O DR
+    FIELD_TIME_ELAPSED_BETWEEN_SESSION_MS = 1028;
+
+    // Device Headset charge session time
+    // CATEGORY: OTHER
+    // FIELD - The time taken for each charge
+    // OS: O DR
+    FIELD_TIME_OF_CHARGE_MS = 1029;
+
+    // Device Headset time between charge
+    // CATEGORY: OTHER
+    // FIELD - The time in between each charge
+    // OS: O DR
+    FIELD_TIME_ELAPSED_BETWEEN_CHARGE_MS = 1030;
 
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS