Disable iOS Bluetooth to save battery power
Shut off Bluetooth to extend battery life on iPad, iPad mini, iPhone
Here's how you can extend your iOS device battery life by turning off Bluetooth.
1. Tap on Settings.
2. Tap on Bluetooth.
3. Toggle the Bluetooth switch to the Off position.
For more information, see the original article at the link below.
10 Tips to Make Your iPhone & Android Battery Last 8 Tips | Gotta Be Mobile