diff --git a/tools/chatgui/src/messagedelegate.cpp b/tools/chatgui/src/messagedelegate.cpp
index 6e070d2b..116ac7b2 100644
--- a/tools/chatgui/src/messagedelegate.cpp
+++ b/tools/chatgui/src/messagedelegate.cpp
@@ -395,7 +395,7 @@ MessageDelegate::Layout MessageDelegate::calcLayout(
         if (dlState == 1) { L.progressBarRect = QRect(bx, thH - 3, thW, 3); }
 
         L.videoPlayBtnRect = QRect(bx + thW / 2 - 24, thH / 2 - 24, 48, 48);
-        L.videoDurBadgeRect = QRect(bx + thW - 56, thH - 26, 48, 18);
+        L.videoDurBadgeRect = QRect(bx + thW - 116, thH - 26, 108, 18);
 
         if (!L.narrow) {
             int avatarY = L.bubbleRect.bottom() - kAvatar;
@@ -1010,9 +1010,12 @@ void MessageDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
             painter->drawPath(tri);
         }
 
-        /* duration-бейдж */
+        /* бейдж: размер · длительность (m:ss) */
+        qint64 fsz = index.data(MsgFileSizeRole).toLongLong();
+        QString sizeStr = formatFileSize(fsz);
         QString durStr = index.data(MsgVoiceDurationRole).toString();
-        if (!durStr.isEmpty()) {
+        QString badge = durStr.isEmpty() ? sizeStr : sizeStr + " \xC2\xB7 " + durStr;
+        if (!badge.isEmpty()) {
             QFont durFont = option.font;
             durFont.setPointSize(durFont.pointSize() - 1);
             painter->setFont(durFont);
@@ -1020,7 +1023,7 @@ void MessageDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
             painter->setBrush(QColor(0, 0, 0, 160));
             painter->drawRoundedRect(L.videoDurBadgeRect, 5, 5);
             painter->setPen(Qt::white);
-            painter->drawText(L.videoDurBadgeRect, Qt::AlignCenter, durStr);
+            painter->drawText(L.videoDurBadgeRect, Qt::AlignCenter, badge);
         }
         painter->restore();
 
diff --git a/tools/chatgui/src/messagelist.cpp b/tools/chatgui/src/messagelist.cpp
index 46506a1a..a147acc4 100644
--- a/tools/chatgui/src/messagelist.cpp
+++ b/tools/chatgui/src/messagelist.cpp
@@ -216,7 +216,8 @@ static void setVoiceMessageRoles(QStandardItem* item, const QByteArray& data,
                 if (p.startsWith("dur=")) {
                     qint64 durMs = p.mid(4).toLongLong();
                     if (durMs > 0) {
-                        QString d = QString::number(durMs / 1000.0, 'f', 0) + "s";
+                        qint64 s = durMs / 1000;
+                        QString d = QString("%1:%2").arg(s / 60).arg(s % 60, 2, 10, QChar('0'));
                         item->setData(d, MsgVoiceDurationRole);
                     }
                 }