YP Smart Bluetooth 4.0 Square Anti-lost Alarm Easy Key Finder Tracker Wallet Purse Car Key Laptop Tablets Phone etc. Locator Tracking Finder for iOS / iPhone / iPod / iPad / Android Blue You can attach your anti-lost tracker to any you don't want to lose item, When the anti-lost tracker exceeds the safety distance and mobile phone, while the phone will ring an alarm and anti-lost tracker song against forgetting. Smart Bluetooth Anti-lost Alarm,super-thin and lightweight,simple modern design makes it easily fits into your wallet, purse and key rings, etc.When connected with phone, it can be located. Track your belongings anytime. A key finding things by free app,can find your phone, wallet, purse, car key, laptop, tablets,etc. when press this key. Two-way anti lost alarm, Phone out of set distance,common alarm to avoid missing items. When connection was broken, the app will add a pushpin on the map. It can inform you when and where lost the Easykeyfinder. Compatible with iOS 7.0 and above and Android 4.4 and above, such as iPhone4s /5/5c/5s/6, iPad3/Mini/Air, SamsungS4/S5/S6/ Note3/Note4 and etc.