No more blasting music too loudly when you reconnect to your car or headphones. Volume memory per Bluetooth device: Android 9 will now remember the last volume you set for each of your Bluetooth devices. Sound delay reporting: Android 9 offers support for headsets with sound delay reporting, so video on your device and audio on your headphones can always stay in sync. Incoming phone calls will be sent to all connected Bluetooth devices that can accept, so you'll never miss a call.
Multiple Bluetooth connections: With Android 9, you can connect up to five Bluetooth devices and switch between these devices seamlessly.
