Ivishow&reg; Phone Finder Keyfinder GPS Anti-lost Tracker Self-timer Item Finder with Bi-Directional Alarm for IOS and Android System Multitask10 Bluetooth tracking tag devices easily for one mobile phone at the same time to manage various belongings.Built in one CR2032 220mAh coin battery,1 Year standby, normal use for 6-8 months, replaceable battery. Multiprotocol bluetooth low energy How to useThe device must be Bluetooth 4.0 version.Supports iPad,iPad mini,iPhone 7,iPhone 6/6s/6plus/6s plus etc;Samsung Galaxy S5,S6,Note 4,HTC,LG Nexus 4/5/6.Download the app from the App Store, Google Play Store, or scan the QR code in the instructions given in the box,Turn on Bluetooth on your phone Start the Upartner app and follow the sign-up instructions Pair it with your mobile device. Search for your device or item using the" Upartner" App Trace Last LocationThe effective range is 10-50 meters(98-164ft).Separation signal alerts you when object is out of range with flashing LED lights,the GPS location is also recorded on your phone to help you return to look for the lost object,you can use on baby or pet too.Don't worry about losing things again.It can work as a remoter shutter release for taking self-portrait photos and activate recorder on your smart phone Dual Anti LostKey tracker finds your lost things whether they're nearby or far away. Attach a key finder to as many items as you want and easily keep track of them in the app. Smart anti-lost and phone left behind alert, phone and key finder out of set distance, bi-directional alarm to avoid missing items. Have anti-lost and find it dual modes and silent zone Modern DesignThe thin and lightweight design allows this small tracking tag device to put into your wallet,attach to keys,luggage,pets or anything else.Elegant device,Exquisite package,very perfect as gift