Smart tracker fouml;r keys: Key Finder uses BT 4.0 technology fouml;r to connect Android, iOS, iPad and other smart phones. Show lost car key, luggage, plaring;nbook, dogs, cats astaring;nd fraring;n you paring; APP fouml;r to let you find them exactly. 5-PCS smart tracker locator contents: black, gray, black, pink and white. Easy to use: APP control Download free APP iSearching and then connect pair it with your smart phone. Nauml;r you press paring; The remote control lets the receiver "beep" and you can move the room from the smart tracker within 30-49 ft. If the key saver is connected to the mobile phone via Bluetooth, the remote device can be used as a remote control control button to control the photo shutter pairing; the mobile phone, and it auml;r lauml;tt to press pairing; and creates a beautiful moment. Ultralaring;g power: Built-in CR2032 button battery auml;r replaceable Finder key ring: Key Finder smart tracker auml;r compact in size, lauml;tt and lauml;tt to hang like a key ring pairing; your child's school or home pairing; the animal collar, the real-time display location effectively avoids your children, pets gar;r fouml;lored. Provide a last seen pin-drop pairing; the map via the APP is designed to help you track your data and search for your car pairing; The pairing place. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.