Features:1、Anti-lost function for searching keys、luggage、the elderly、 children、、 pets、cellphone etc.2、Two-way search between iPhone & smartphone and the device.3、Camera remote shutter by pressing the device4、Location tracking、 you can view the current position of the object on your phone、 it can be found in the off position last visits5、Water drop appearance6、Bluetooth 4.0 low power consumptionSupport Version: Iphone OS or Android SystemBluetooth Version: Bluetooth 4.0 or aboveApp name: isearching or itracingNote: mobile version and Bluetooth version both required.