Featuresr bluetooth anti lost and anti theft alarm help you avoid losing phones keys handbags children pets etc compatible with for iphone 4s55s5c ipad 3mini ipod touch 5 and abover functional and easy to use free download and install the havir app on app store then pair havir with your ios device via bluetooth 40 you can set a safe distance to search and anti lose according to your needsr bidirectional finder click the product icon on your ios device to search the havir0