Short answer, if the BT is left on, it will keep searching for a BT signal. Turn if off if you are not using it.
On Apr 30, 2012, at 11:11 AM, Bob Newman wrote:
> iPhone 4S. I have not used a Bluetooth device and have a couple of questions if I might. I use my Bluetooth headset almost exclusively for listening to audiobooks, no music, few if any phone calls. I understand that using a Bluetooth device will radically shorten a battery charge. To conserve battery time should I completely turn off the Bluetooth option in the phone or is it good enough just not to be using the headset, although it is still turned, even though it was still connected via the Bluetooth?
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