"Anti lost alarm, keep your valuable within range. When the Swalle anti loast alarm is out of range, your phone and the alarm device will start alarming.Wireless Anti-theft Anti-Lost Security Key chain Finder Locator Reminder Alarm in Consumer Electronics, Gadgets & Other Electronics, Other Gadgets.Swalle bluetooth anti lost alarm can compatible for iOS 6.0 and Android 4.3 or Above smart devices, download our app 'easykeyfinder' from Google Play or App Store. Specifications of Swalle anti lost alarm http://www.goswalle.com "