diff --git a/profiles/base/accounts/group/input b/profiles/base/accounts/group/input
index 2830a26..dfdbb43 100644
--- a/profiles/base/accounts/group/input
+++ b/profiles/base/accounts/group/input
@@ -3,4 +3,9 @@
 # cras needs access to /dev/input/event*
 # power manager needs to read from /dev/input/event* to observe power
 # button and lid events.
-users:cras,power,chronos
+# cros_healthd needs to access telemetry information, event notifications, and
+# diagnostics under /dev/input/event*. For example:
+#   - Telemetry: Retrieve vendor name.
+#   - Event: HDMI plug-in/out, audio device plug-in/out.
+#   - Diagnostics: Volume button pressed or not.
+users:cras,power,chronos,healthd_evdev