Wireless:  Bluetooth

Range:  50 feet

OS Support:  iOS / Android, using app named iSearching

Package includes 1 tracker and 1 keychain / protective cover.  The iSearching app shows you how to find lost item on a map in relation to your current position.  Tracker includes an audio alarm you can trigger from the app to better find the lost item.

Brand new from the manufacturer, unused, and unopened

Shipped from the USA