Keep track of your essentials with the Seek Duo Bluetooth Two-Way Tracker with Key Ring, featuring advanced Bluetooth® 5.0 technology and compatibility with iOS and Android devices. Easily attach it to keys, bags, luggage, or purses to locate items within a 300-foot range using the free mobile app. The two-way function lets you ring your phone or the tracker to quickly find misplaced items, while the last-seen location pin helps retrace your steps. Includes a snap button case, round carabiner, and a replaceable CR2032 battery for long-lasting use. Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc.