diff --git a/ttp/ttp.mk b/ttp/ttp.mk
index c3c7772..4318d48 100644
--- a/ttp/ttp.mk
+++ b/ttp/ttp.mk
@@ -10,6 +10,12 @@ PRODUCT_CHARACTERISTICS := device
 
 PRODUCT_PACKAGE_OVERLAYS += device/wephone/ttp/overlay
 
+PRODUCT_SYSTEM_PROPERTIES += \
+	persist.bluetooth.bluetooth_audio_hal.disabled=true \
+	persist.sys.bt.unsupport.features=00000000 \
+	persist.sys.bt.unsupport.states=00000000 \
+	persist.sys.bt.unsupport.stdfeatures=000001
+
 PRODUCT_COPY_FILES += \
 	device/wephone/ttp/files/aw9523-key.idc:$(TARGET_COPY_OUT_SYSTEM)/usr/idc/aw9523-key.idc \
 	device/wephone/ttp/files/aw9523-key.kcm:$(TARGET_COPY_OUT_SYSTEM)/usr/keychars/aw9523-key.kcm \