diff --git a/lib/logitech_receiver/hidpp20.py b/lib/logitech_receiver/hidpp20.py
index 5ab67008..c4caaf67 100644
--- a/lib/logitech_receiver/hidpp20.py
+++ b/lib/logitech_receiver/hidpp20.py
@@ -38,6 +38,7 @@ from . import special_keys
 #
 #
 
+# <FeaturesSupported.xml sed '/LD_FID_/{s/.*LD_FID_/\t/;s/"[ \t]*Id="/=/;s/" \/>/,/p}' | sort -t= -k2
 """Possible features available on a Logitech device.
 
 A particular device might not support all these features, and may support other
@@ -71,6 +72,7 @@ FEATURE = _NamedInts(
 	TOUCHPAD_WIN8_FW_ITEMS=0x6012,
 	TOUCHPAD_RAW_XY=0x6100,
 	TOUCHMOUSE_RAW_POINTS=0x6110,
+	TOUCHMOUSE_6120=0x6120,
 )
 FEATURE._fallback = lambda x: 'unknown:%04X' % x
 
diff --git a/lib/logitech_receiver/special_keys.py b/lib/logitech_receiver/special_keys.py
index 9baa8bd0..5669e7ec 100644
--- a/lib/logitech_receiver/special_keys.py
+++ b/lib/logitech_receiver/special_keys.py
@@ -322,6 +322,17 @@ TASK = _NamedInts(
 	MetroForwRightHorz=0x0083,
 	Win8_Back=0x0084, # also known as MetroCharms
 	Win8_Forward=0x0085, # also known as AppSwitchBar
+	Win8Charm_Appswitch_GifAnimation=0x0086,
+	Win8BackHorzLeft=0x008B, # also known as Back
+	Win8ForwardHorzRight=0x008C, # also known as BrowserForward
+	MetroSearch2=0x0087,
+	MetroShare2=0x0088,
+	MetroSettings2=0x008A,
+	MetroDevices2=0x0089,
+	Win8MetroWin7Forward=0x008D, # also known as MetroStartScreen
+	Win8ShowDesktopWin7Back=0x008E, # also known as ShowDesktop
+	MetroApplicationSwitch=0x0090, # also known as MetroStartScreen
+	ShowUI=0x0092,
 )
 TASK._fallback = lambda x: 'unknown:%04X' % x