While wearing your Beats, you can share what you’re listening to with a friend who’s also wearing compatible Beats or AirPods. Both sets of headphones must be paired with a supported iPhone or iPad.
Wear your Beats, and make sure they’re connected to your iPhone or iPad.
On your iPhone or iPad, tap 
on the Now Playing screen, or Lock Screen, or in Control Center.
Note: The playback destination button changes based on your connected device. For example, when your Beats headphones are connected, the button looks like 
.
Tap Share Audio (below the name of your Beats or AirPods).
Bring your friend’s headphones or earphones close to your iPhone or iPad.
You may need to put the headphones or earphones in discovery mode.
Select Share Audio on your device, then follow the onscreen instructions.
Tap your friend’s Beats (or AirPods) in the list to pair their headphones or earphones.
You can also share what you’re listening to with a friend while you both watch Apple TV 4K.
If you and a friend use compatible Beats or AirPods to share audio from your iPhone or iPad, you can set a different volume level for each set of headphones. For some Beats, you can also choose a different noise control mode for each listener.
On your iPhone or iPad, open Control Center, then touch and hold the volume control.
To change the volume, drag the volume sliders.
To change a noise control mode on your supported Beats device, tap one of the Noise Control buttons at the bottom of the screen, then choose an option.
On your iPhone or iPad, tap on the Now Playing screen, or Lock Screen, or in Control Center.
Tap the name of your friend’s headphones or earphones to turn off the connection.