How can two people listen to audio on an Android phone over Bluetooth? I.e. they have two Bluetooth headsets and want to pair both at the same time?
Apart from soldering 1 Bluetooth receiver output to two Bluetooth transmitter inputs, I cannot see a way to do it with the current Android Bluetooth setup. It only allows one device paired at a time. Could be an interesting hardware project if you are into that kind of thing. Your phone connects to the Bluetooth receiver, while your two Bluetooth headsets each connects to one of the transmitters.
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android.stackexchange.com/questions/12281/… According to this, you either need a Samsung S8 or newer or Bluetooth 5... – Oscar Dec 16 '19 at 3:00
As in most things, it depends. In this case, since you do not state your device, I will demonstrate from mine, a Samsung 8, running Android 9 (One UI). It explicitly allows dual Bluetooth through settings. If this is your device, click through to it at
Settings > Connections > Bluetooth > Advanced > Dual Audio > ON
The setting allows sound to two different Bluetooth devices.
If your device is different, look for the capability along a similar setting path.
