Type:Bluetooth Finder Tracker Size:2cmx2cm Bluetooth version:bluetooth 4.0 Working distance:25 meters Suitable for:wallet,car,pet,kids,bags,suitcase or others Compatible devices:for compatible with iphone 4s/5/5s/5c/6/6 plus/7/7 plus/8/8 plus/x,compatible with ipad mini/compatible with ipad air/5/4/3 Andriod system with bluetooth 4.0(Andriod 4.3 version and up grad version) Notice: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. 4 x Bluetooth Finder Tracker 1 x User Manual By remote control, you can turn on the cell phone record function or the remote camera shutter function for selfie self-portrait It can protect your kids, seniors, pets, phone, wallet, baggage and laptop from being stolen or lost. By enabling the location tracking feature, the app can also track the location where you last saw the tracker. You can set your preference in the app, such as tracker sensitivity, sound types, and alarm volume. When the anti drop device away from your safe distance, the phone and the anti drop devicewill send a warning reminder, dual protection, and then do not have to worry about the loss and loss.