My bluetrrek fell into water

When an electronic device falls into the water the best thing is to leave it alone, not use it, for a week or so. This allows for its components to dry well, and eliminates the risk for a short circuit. Since you tried the bluetrek, its possible that now its damaged without repair. However, you can still try placing it in a very dry place for a week or so. If you think it should be dry by now, I would open it - make sure you have contact cement glue around to put it back together. Be careful to ensure the shell does not crack. Then go ahead and thoroughly clean the inside of the unit with a Q-tip. Put it back together and try it.