diff --git a/CONFIG.example b/CONFIG.example
index 59c135e..4ce2bb2 100644
--- a/CONFIG.example
+++ b/CONFIG.example
@@ -1,5 +1,9 @@
 # enter settings and rename to CONFIG
 
+# Bluetooth headset MAC address (all uppercase, e.g. 01_23_45_AB_CD_EF)
+BTHEADSET_MAC=01_23_45_AB_CD_EF
+
+# Notification recipients
 NMA_RECIPIENT=012345...NotifyMyAndroid-API-KEY...6789abcdef
 PROWL_RECIPIENT=012345...Prowl API Key...6789abcdef
 PUSHOVER_RECIPIENT=012345...PushOver API Key...6789abcdef
diff --git a/bt_volmax.sh b/bt_volmax.sh
new file mode 100755
index 0000000..5f2378e
--- /dev/null
+++ b/bt_volmax.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+HERE=$(dirname $0)
+
+. $HERE/CONFIG
+
+# https://unix.stackexchange.com/questions/437468/bluetooth-headset-volume-too-low-only-in-arch/562381#562381
+# Needs patched bluetoothd. Find 48 8b 46 70 66 83 78 0a 7f and change 7f to ff.
+
+# Query current volume
+dbus-send --print-reply --system --dest=org.bluez /org/bluez/hci0/dev_${BTHEADSET_MAC}/sep1/fd0 org.freedesktop.DBus.Properties.Get string:org.bluez.MediaTransport1 string:Volume
+
+# Set AirPod Pro volume to max. (Needs patched bluetoothd! See above!)
+dbus-send --print-reply --system --dest=org.bluez /org/bluez/hci0/dev_${BTHEADSET_MAC}/sep1/fd0 org.freedesktop.DBus.Properties.Set string:org.bluez.MediaTransport1 string:Volume variant:uint16:127