diff --git a/docs/dual_bluetooth_audio_proposal.md b/docs/dual_bluetooth_audio_proposal.md
new file mode 100644
index 0000000000000..38309304ac10e
--- /dev/null
+++ b/docs/dual_bluetooth_audio_proposal.md
@@ -0,0 +1,19 @@
+# Dual Bluetooth Audio Output (Proposal)
+
+This document proposes adding support for dual Bluetooth audio output
+using Android's Combined Audio Device Routing APIs (Android 12+).
+
+## Summary
+Enable simultaneous media playback to multiple Bluetooth devices.
+
+## Intended Changes
+- AudioPolicyManager support for multiple preferred output devices
+- SystemUI media output picker multi-device selection
+- Graceful fallback for devices without multi-stream Audio HAL support
+
+## References
+https://source.android.com/docs/core/audio/combined-audio-routing
+https://developer.android.com/reference/android/bluetooth/BluetoothLeAudio
+
+## Status
+Proposal only. No functional changes included.