Anti Loss Item Finders: This GPS tracking tag will alert you when you are about to forget your belongings; Pair to the app and keep it in connection state, your phone and key locator will both ring to alert you once it is disconnected, suitable for traveling to avoid losses Portable and Convenient to Carry: This dog GPS tracker is designed in a compact and portable that is convenient to carry around; You can put it in your wallet as a wallet finder or in the bag with your phone as a phone finder or as other items finders, bringing too much convenience wherever and whenever you are Item Finder-- These key locator tags, can be used as mini dog gps tracking device to prevent pet loss, also suitable for keys, cell phone, wallet, handbag, selfie shutter device, you can also double click the button of the product to cause your phone to ring, so you can find your phone easier Multi Purpose-- The GPS trackers are nice gifts for your family, friends, seniors and forgetful people, helping them to find misplaced keys, purses or other items in seconds, and bringing more convenience to their daily life Good Choice Of Gifts-- These tracking devices can be applied by yourself, or given to your friend with poor memory, or juniors who are still too young; For them, these smartphone keychain alarms are considerate gifts to receive SPECIFICATION: Size: 42 * 42 * 8mm Material: ABS, Power supply: buckle battery CR2032 Bluetooth: 4.0 How to use: By using the "iSearching" app, Bluetooth connection can be made with mobile devices such as smartphones, and remote control functions such as taking photos and recording can also be achieved