Yep. In writing, on your office safety board, in every postal district nationwide. You may not wear anything in your ear while walking or operating equipment. They do allow you to wear them while casing mail at your case as long as you can hear emergency issues.
i got one of these, and love it. bluetooth connect, an has range of about 60-70 feet, from source. volume switch on device. listen to music, and have a conversation, at the same time. i use it in the office, and around the house
Application of rule enforcement is totally discretionary. The rule might make sense where machinery or yard vehicles are moving rapidly without lots of warning, but it’s like the backing rule... doesn’t address the underlying problem of lack of care and attention during situations that require it. On the delivery unit workroom floor, it’s next to pointless, but for now it is what it is.