I haven't seen any way of using mp3 or wav sounds in the notifications, just the sounds provided so far. The automatic profiles are supposed to change automatically if you use a dock, car, headset..... I don't use a dock or auto car BT, so I can't attest to their usage. I have found (in the 700w) the BT actually worked better for me (installing Hannips BT fix for wx tonight
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).