You can mutilate the tag to disable the speaker. It won't disable the alert on others' phones (including the thief), but it may be a blessing more than a curse:

You can mutilate the tag to disable the speaker. It won't disable the alert on others' phones (including the thief), but it may be a blessing more than a curse: https://news.ycombinator.com/item?id=32159861 https://news.ycombinator.com/item?id=32159861