Good day. I need to replace some Sony wireless headphones which worked fine for more than a decade until I lost the battery.... Now I see battalions of recommendations for new-fangled, usually absurdly expensive stuff (£550 for headphones? Come off it!) They almost always run off Bluetooth. Close examination reveals many have a range of c 10-15 metres. In practice, some buyers complain of less. My Sony range was 200 metres................ If I am in my bedroom listening to something I really do not want the signal cutting out by the time I reach the kitchen or my home office - never mind the garden, where I would be c 50 metres from the audio source. Am I missing something, or is Bluetooth only for those who want to glue themselves entertainment-wise to their mobile phone - and see their battery die all the quicker? I take it my solution is to go for a good (but hard to find) radio frequency replacement? Thanks for all comments.