Come and see our amazing products. Key finder locator is connected with the mobile phone through Bluetooth, and the valuable items .that are easy to be lost are bundled together by the user to realize the anti-lost reminder of the item,two-way search, remote remote camera, recording.When the key finder smart tracker is connected with the mobile phone APP "Dycoo TrackerPA" Bluetooth and you need to find the mobile phone, double-click the key locator button to call the mobile phone, and the mobile phone will make a sound.When the item is disconnected from the mobile APP Bluetooth, the APP will record the lost position after the item is disconnected.The built-in CR2032 button battery is replaceable,allows for up to 3-6 months stand by time.A ideal gift at the promotional campaign Pls confirm with us about the packing info, stock color and exact production time before placing your order.