Alarm Function: When you are separated from the Bluetooth tracker, Bluetooth 4.0 connection lets you sound an alarm. Operates using Tracing App via IOS or Android Smartphone Intelligent Search Function: Through precise calculation, locate your child or pet via digital display, and you can also press the calling button to let the device make sound Remote control: By remote control, you can turn on the cell phone record function or the remote camera shutter function for selfie selfportrait, capture the happiest moment easily Multifunctional not only antilost locator, remote control function, protect your valuables, kids, pets from theft or loss. Perfect Design And Convenient: Compact size, lightweight design and low energy consumption. Handy like a key ring, easy to carry and use Convenient Are you always forget your key, wallet, bag, pet? There is no need to worry it from now. Because these Bluetooth trackers can help you track their locator finder no matter how far you go. will be marked automatically on map to show you where they are lost. Buy this one, you must not be disappointed. Order without Risk Bluetooth version: Bluetooth 4.0 Low Energy consumption Compatible Phone for iPhone4S/5/5S/5C, iPad Mini, iTouch 5, iPad 3/4, iPad Air and Andriod system with Bluetooth Bluetooth 4.0 SmartphoneAndriod 4.3 version and upgrade version Working distance:25m(outdoor environment) Suitable for Wallet, Car, Kid, Pets, Bags,Suitcase or other belongings. Battery:CR2032 Lithium Coin Battery 44x38x12mm Colour: Black Package Content: 1 x Bluetooth