IBTSWireless Bluetooth 4.0 Tracker Child Wallet Key Keychain Finder GPS Locator Bluetooth version: Bluetooth 4.0 Low Energy Compatible Phone: iPhone4S/5/5S/5C, iPad Mini, iTouch 5, iPad 3/4, iPad Air and Andriod system with Bluetooth 4.0 Smartphone .Andriod 4.3 version and up-grade version. Package Included:1*Bluetooth Tracking Tag (Not Included a CR2032 battery) Good gift for your children