Share your Beats Pill with a friend
Use the Beats app to share your Beats Pill speaker with a friend, then take turns playing tracks. You can share Beats Pill with another Android device or with iPhone or iPad.
Share audio on your Beats Pill speaker in the Beats app for Android
Make sure your Beats Pill is turned on and connected to your Android device.
Go to the Beats app
In the screen that appears, tap Share Speaker.
Bring the Android device or iPhone you want to add close to the Beats Pill speaker, then follow the onscreen instructions.
If you’re disconnected from Share Speaker mode, do one of the following:
Android device: Go to the Beats app
iPhone: Go to Settings
> Bluetooth, then reconnect to the speaker. You can also tap 
in your music app (or on the Lock Screen or in Control Center) to reconnect.See Connect iPhone to Bluetooth accessories or Play audio from iPhone on HomePod and other wireless speakers.