iTag Bluetooth Tracker - GPS Tracking for children, keys, animals With iTag you will never forget or lose your keys. iTag is a small box that connects to your Android or iOS phone via Bluetooth and ensures that you never leave your bag, wallet or other valuable items. As soon as iTag loses contact with the app, it starts to alarm. If your keys are lost and you have an iTag on your keychain, you can easily locate your keys by pressing "Alarm" in the iTracing app. The iTag device starts to alarm and a small diode flashes red. The iTracing app supports up to 10 iTags and you can rename each iTag to something special, e.g. luggage, wallet to make it easier to keep track of all iTags. In addition to the tracking function, iTag also works as a camera shutter for your phone. When it is paired with the phone and you have the camera tab in iTrancing running, you can press the iTag's button to take a photo. Bluetooth 4.1 LE. Range of up to 25 meters. Replaceable CR2032 battery. (Included) The iTracing app is available for download on the compatible with Apple App Store and Google Play. Compatible with Android 4.3 and later and iOS 6 and later. iTag and instruction sheet are included in the package. Dimensions (WxDxH): 31x11.1x52.4mm.