How to use: Scenario : US Android users search for omyTag in Google Play Store to download. Scenario : Apple users download findmytag from Apple App Store.No monthly fee, easy to useTracker sends out a secure signal every two seconds for nearby Apple devices (cell phones, computers, tablets, etc.) to detect, receive, and upload to Apple's cloud servers to generate a fixed location, which can then be viewed on a map to see its exact location.Built-in SpeakerOur cat tracker helps you find things nearby by playing sounds to indicate location. Versatile and FlexibleOur Tracker (Android and iOS Universal) When your pet doesn't like the collar they're wearing or the collar is worn out, you can attach the tracker to any new collar.Warm TipsThe package contains 1 pet collar, 1 tracker, batteries , user manual; Locator for Android and Apple phones; The item finder can only be connected to a single device, but a device can be connected to multiple trackers.