01 January 0001
There are 3 different times linked to different situations:
1. When you exit the specific device control panel and stay in the device list, the device will be disconnected after 30 seconds.
2. In the device control panel, if no operation has been detected, the device will disconnect after 5 min.
3. If you run the app in the background or lock the screen, the Bluetooth will be disconnected immediately.