diff --git a/lib/logitech_receiver/device.py b/lib/logitech_receiver/device.py
index 10199fec..7bfb3b86 100644
--- a/lib/logitech_receiver/device.py
+++ b/lib/logitech_receiver/device.py
@@ -467,9 +467,7 @@ class Device:
             return False
 
         if enable:
-            set_flag_bits = (
-                NotificationFlag.BATTERY_STATUS | NotificationFlag.UI | NotificationFlag.CONFIGURATION_COMPLETE
-            ).value
+            set_flag_bits = NotificationFlag.BATTERY_STATUS | NotificationFlag.UI | NotificationFlag.CONFIGURATION_COMPLETE
         else:
             set_flag_bits = 0
         ok = _hidpp10.set_notification_flags(self, set_flag_bits)
diff --git a/lib/logitech_receiver/hidpp10_constants.py b/lib/logitech_receiver/hidpp10_constants.py
index b101e271..13a769d1 100644
--- a/lib/logitech_receiver/hidpp10_constants.py
+++ b/lib/logitech_receiver/hidpp10_constants.py
@@ -224,6 +224,25 @@ class DeviceFeature(Flag):
     https://drive.google.com/file/d/0BxbRzx7vEV7eNDBheWY0UHM5dEU/view?usp=sharing
     """
 
+    @classmethod
+    def flag_names(cls, flag_bits: int) -> List[str]:
+        """Extract the names of the flags from the integer."""
+        indexed = {item.value: item.name for item in cls}
+
+        flag_names = []
+        unknown_bits = flag_bits
+        for k in indexed:
+            # Ensure that the key (flag value) is a power of 2 (a single bit flag)
+            assert bin(k).count("1") == 1
+            if k & flag_bits == k:
+                unknown_bits &= ~k
+                flag_names.append(indexed[k].replace("_", " ").lower())
+
+        # Yield any remaining unknown bits
+        if unknown_bits != 0:
+            flag_names.append(f"unknown:{unknown_bits:06X}")
+        return flag_names
+
     RESERVED1 = 0x010000
     SPECIAL_BUTTONS = 0x020000
     ENHANCED_KEY_USAGE = 0x040000
diff --git a/lib/solaar/cli/pair.py b/lib/solaar/cli/pair.py
index 02af3906..21343de6 100644
--- a/lib/solaar/cli/pair.py
+++ b/lib/solaar/cli/pair.py
@@ -39,8 +39,8 @@ def run(receivers, args, find_receiver, _ignore):
 
     # check if it's necessary to set the notification flags
     old_notification_flags = _hidpp10.get_notification_flags(receiver) or 0
-    if not (old_notification_flags & hidpp10_constants.NOTIFICATION_FLAG.wireless):
-        _hidpp10.set_notification_flags(receiver, old_notification_flags | hidpp10_constants.NOTIFICATION_FLAG.wireless)
+    if not (old_notification_flags & hidpp10_constants.NotificationFlag.WIRELESS):
+        _hidpp10.set_notification_flags(receiver, old_notification_flags | hidpp10_constants.NotificationFlag.WIRELESS)
 
     # get all current devices
     known_devices = [dev.number for dev in receiver]
@@ -121,7 +121,7 @@ def run(receivers, args, find_receiver, _ignore):
                 if n:
                     receiver.handle.notifications_hook(n)
 
-    if not (old_notification_flags & hidpp10_constants.NOTIFICATION_FLAG.wireless):
+    if not (old_notification_flags & hidpp10_constants.NotificationFlag.WIRELESS):
         # only clear the flags if they weren't set before, otherwise a
         # concurrently running Solaar app might stop working properly
         _hidpp10.set_notification_flags(receiver, old_notification_flags)
diff --git a/lib/solaar/cli/show.py b/lib/solaar/cli/show.py
index f13b9c5c..a0a9e5f6 100644
--- a/lib/solaar/cli/show.py
+++ b/lib/solaar/cli/show.py
@@ -131,14 +131,14 @@ def _print_device(dev, num=None):
         notification_flags = _hidpp10.get_notification_flags(dev)
         if notification_flags is not None:
             if notification_flags:
-                notification_names = hidpp10_constants.NOTIFICATION_FLAG.flag_names(notification_flags)
+                notification_names = hidpp10_constants.NotificationFlag.flag_names(notification_flags)
                 print(f"     Notifications: {', '.join(notification_names)} (0x{notification_flags:06X}).")
             else:
                 print("     Notifications: (none).")
         device_features = _hidpp10.get_device_features(dev)
         if device_features is not None:
             if device_features:
-                device_features_names = hidpp10_constants.DEVICE_FEATURES.flag_names(device_features)
+                device_features_names = hidpp10_constants.DeviceFeature.flag_names(device_features)
                 print(f"     Features: {', '.join(device_features_names)} (0x{device_features:06X})")
             else:
                 print("     Features: (none)")