diff --git a/config b/config
index 83d66da..57c18e4 100644
--- a/config
+++ b/config
@@ -231,11 +231,20 @@ bindsym XF86AudioLowerVolume exec --no-startup-id amixer -q -D pulse sset Master
 bindsym XF86AudioMute exec --no-startup-id amixer -q -D pulse sset Master toggle && pkill -SIGRTMIN+10 i3blocks # mute sound
 
 # Enable devices USB
-# bindsym $mod+m exec --no-startup-id "udisksctl mount -b /dev/sdb1"
-bindsym $mod+m exec --no-startup-id "udisksctl mount -b /dev/sdb1 && xfce4-terminal -x ranger /run/media/$USER/"
+# Declare here the shortcut to mount-device, require udisks2
+set $mode_mount Launch: Shift unmount devices (u) USB, (c) DVD/CD
+mode "$mode_mount" {
+    bindsym u exec --no-startup-id "udisksctl mount -b /dev/sdb1", mode "default"
+    bindsym Shift+u exec --no-startup-id "udisksctl unmount -b /dev/sb1", mode "default"
+    bindsym c exec --no-startup-id "udisksctl mount -b /dev/sr0", mode "default"
+    bindsym Shift+c exec --no-startup-id "udisksctl unmount -b /dev/sr0", mode "default"
 
-# Enable CD/DVD
-# bindsym $mod+Shift+m exec --no-startup-id "udisksctl mount -b /dev/sr0"
+    # back to normal: Enter or Escape
+    bindsym Return mode "default"
+    bindsym Escape mode "default"
+}
+# Declare here the shortcut to mount-device selection menu
+bindsym $mod+m mode "$mode_mount"
 
 # i3lock
 bindsym Pause exec "sh /home/$USER/.config/i3/scripts/i3lock.sh"