Is it a myth that turning on Bluetooth on iOS will drain the battery life even though it's not used? - Quora
![Had problems with battery drain on my watch 4 Bluetooth. Went from 100-30 in like 5 hours and turns out i had NFC enabled which was the cause now it only drains Had problems with battery drain on my watch 4 Bluetooth. Went from 100-30 in like 5 hours and turns out i had NFC enabled which was the cause now it only drains](https://preview.redd.it/t8g6uhbn4ah81.jpg?width=640&crop=smart&auto=webp&s=56b183697f92d504b9bea3acd229a970c31e781d)
Had problems with battery drain on my watch 4 Bluetooth. Went from 100-30 in like 5 hours and turns out i had NFC enabled which was the cause now it only drains
![Does leaving Bluetooth on with no device connected drain battery in any significant amount? : r/oneplus Does leaving Bluetooth on with no device connected drain battery in any significant amount? : r/oneplus](https://external-preview.redd.it/udPh95yZL8DN9pg8X4ftNeJ4LFYrtn2tdAruNx8PtaY.jpg?width=640&crop=smart&auto=webp&s=3b04e1d9253f7f4dbdbb5a8158c4229af9344ac2)