There is no dedicated indicator. The speaker plays a low-battery tone (two beeps) when 15% charge remains. On iPhones/Android, some devices show a battery icon next to the Bluetooth symbol.
: Look for the Bluetooth symbol on the car radio display to confirm a successful link. blaupunkt bpa 1119 bt manual
The BPA 1119 BT does not include a wall power adapter. Use any standard 5V/1A USB adapter. There is no dedicated indicator