Best single-ear DECT headset?

i have avoided the headsets but been ramping up call volume lately and looking to get a headset for my polycom phone. i don't want bluetooth to my computer soft phone b/c i need to be able to use it from the other side of the house. i think DECT is the only one that will get me that range. also, i don't like the two-ear versions, nor do i like the ones that kindof hang on one ear. i want the single-ear "over the head" type headset that all the stock photo call center people have in pictures. that's what i had before and it was great, but i am reading terrible reviews for almost all of them. anyone have a suggestion here?