Vtag 12g Wireless Bluetooth Anti-lost Alarm Electronic Key Finder (Latest with Location Record Function & Alarm Function & Free Software From Apple App Store & with Rechargeable Battery &Use with Iphone 5,4s Ipad 4 Ipad Mini .) Use With iPhone 5,4S iPad 4 iPad mini Alarm Function Latest With GPS Location Record Function Free Software From Apple App Store Low Battery Consumption -- Battery Can Be Used For 6 Months