diff --git a/src/room/participants.rs b/src/room/participants.rs
index 309df38..f06e879 100644
--- a/src/room/participants.rs
+++ b/src/room/participants.rs
@@ -57,6 +57,16 @@ impl egui::Widget for ParticipantCard<'_> {
                     "Client protocol: {}",
                     participant.client_protocol()
                 ));
+                let caps = participant.capabilities();
+                let caps_str = if caps.is_empty() {
+                    "(none)".to_string()
+                } else {
+                    caps.iter()
+                        .map(|c| format!("{:?}", c))
+                        .collect::<Vec<_>>()
+                        .join(", ")
+                };
+                ui.weak(format!("Capabilities: {}", caps_str));
 
                 // Sorted keys avoid flicker in immediate mode.
                 let tracks = participant.track_publications();