Add your iPod touch to Find My
Before you can use the Find My app 
to locate a lost iPod touch, you need to connect the device to your Apple ID.
Your iPod touch also includes a feature called Activation Lock that prevents anyone else from activating and using your device, even if it’s completely erased. See the Apple Support article Activation Lock for iPhone, iPad, and iPod touch.
Add your iPod touch
On your iPod touch, go to Settings
> [your name] > Find My.If you’re asked to sign in, enter your Apple ID. If you don’t have one, tap “Don’t have an Apple ID or forgot it?” then follow the instructions.
Tap Find My iPod touch, then turn on Find My iPod touch.
Turn on any of the following:
Find My network or Enable Offline Finding: If your device is offline (not connected to Wi-Fi), Find My can locate it using the Find My network.
Send Last Location: If your device’s battery charge level becomes critically low, its location is sent to Apple automatically.
Add another device
See any of the following:
iPhone: Add your iPhone to Find My in the iPhone User Guide
iPad: Add your iPad to Find My in the iPad User Guide
Mac: Set up Find My on Mac in the Find My User Guide for Mac
Apple Watch: Set up and pair your Apple Watch with iPhone in the Apple Watch User Guide
AirPods: Apple Support article How to find your lost AirPods, AirPods Pro, or AirPods Max
Add a family member’s device
You can see your family members’ devices in Find My if you set up Family Sharing first. Their devices appear below yours in the Devices list. See Locate a family member’s missing device on iPod touch.
You can’t add friends’ devices to Find My. Friends who lose a device can go to icloud.com/find and sign in with their Apple ID.