You can connect multiple Bluetooth devices, like headphones and speakers, to your Pixel phone.
Step 1 of 6
To connect a Bluetooth device, like headphones, to your Pixel, open the Settings app 
Tip: You can also access Bluetooth from your Quick Settings. To open Quick Settings, swipe down. Then, touch and hold the Bluetooth icon.
Step 2 of 6
Tap Pair new device.
Tip: You can connect to a Bluetooth device you’ve connected to a phone, tablet, or other device with your Google Account in the past. Tap one of the devices listed under “Previously used with account.”
Step 3 of 6
Under “Available devices,” tap the Bluetooth device you want to connect to.
Step 4 of 6
To complete the pairing, follow the prompts on the screen.
When your device is paired with your Pixel phone, it’s listed as a connected device.
Tip: When you connect some devices to your Pixel, you may be asked to allow certain permissions. For example, when you pair headphones with a mic, you may be asked if you want to give access to:
- Your contacts and call history to make calls
- Google Assistant so you can talk to it
Step 5 of 6
To adjust your device connection settings, tap Settings 
Step 6 of 6
If you want to disconnect the device for the moment, tap Disconnect.
If you don’t want your Pixel to automatically connect to this device in the future, tap Forget 