The instructions apply to phones running Android 5.1 and higher.
How Do I Connect My Android Phone to My Chromebook?
you’re free to connect your devices via Bluetooth or a USB cable.

How Do I Connect My Phone to My Chromebook via Bluetooth?
On your Chromebook, select thetimein the lower-right corner of the screen, then make sureBluetoothis enabled.
If the bottom taskbar is hidden, tap or smack the bottom of the screen to bring it up.

Select thePhoneicon in the taskbar.
SelectGet Startedin the pop-up window.
UnderDevice detected, check that your phone is selected, then selectAccept & continue.

put in your Google account password.
Your Chromebook and Android must be linked to the same Google Account.
Your Android phone is now connected to your Chromebook.

Select thePhoneicon in the taskbar to bring up the Phone Hub.
If you don’t see your phone’s information, tapSettings(gear icon).
SelectPhone Hubto enable it.

Can I Connect My Phone to My Chromebook via USB?
The Files app will open to show your phone’s internal storage.
From here, you might click-and-drag or copy-and-paste files between folders on both devices.

If your phone has an SD card, it’ll have its own folder.
How to Use Phone Hub
Select thePhoneicon in the bottom taskbar to bring up the Phone Hub.
Select theSetting gearto see more features like Smart Lock, Instant Tethering, and Messages.

Why Can’t I Connect My Phone to My Chromebook?
On the Chromebook, go to theBluetooth Available Deviceslist and choose the AirPods.
This would be helpful for a task like transferring photos.

After you connect the devices, tapAllowon your iPhone to give access.
Go toAdvanced>Printing>Printersand selectAdd a Printer.
For a wired connection, you’d connect the printer to your Chromebook via a USB cable.
To print wirelessly, you’d connect your printer to Wi-Fi.