Sell R621 pet anti-lost mini alarm / Smart Key or small item Finder Anti Lost Tracker best price

Key Specifications/Special Features: Find your keys with your phone With a press of a button on the App, it will ring your Rtrivr Take a selfie Rtrivr also works as a camera remote for your phone Works only in camera feature built into the App Attach the Rtrivr key finder to your keys or other valuables and you will be able to locate them by making the Rtrivr beep using the free mobile app If out of range, last seen location will be shown on a map You can also make your phone ring using Rtrivr to locate it 1. Work with Bluetooth 4.0 low energy ready smartphone 2. Free App supports iOS and Android 3. Dimensions: 31 * 5.4mm 4. Working distance: 0-50 meters 5. Working time: Disconnected but can be found by phone: up to 12 months Connected with phone: up to 5 months (continual beep of alarm has impact on working time) 6. Battery: CR2016 button battery, replaceable