4-Pack Air Tracker Key Finder Works with Apple Find My App (iOS Only) Track keys, luggage, bags & wallets worldwide. Replaceable battery, loud alert, left-behind notification, White

[Batteries] There are four batteries inside the package of our Air Track-4 Pack, making it more convenient when you hang the smart finder on your keys, wallet, backpack, luggage, etc., and use it for a longer time. [Instantly Locate] The key finder locator with sound allows you to view the location in real time. Within a Bluetooth range of 590-1181 inch (15-30 m), use the "Find My" app to play a sound and locate the position. Loud sound up to 90-100 dB. When the distance is out of Bluetooth range, use the map navigation feature in the "Find My" app to find the location of your luggage tracking tags.

[Left-Behind Remind] When your tracker goes out of Bluetooth range, you will receive a notification on the phone. Whether you accidentally leave your bag or forget your car keys at the office, the "Left Behind Remind" will be your prompt reminder to retrieve your item locator.
(Note: Ensure notification settings are enabled. ) [Portable Smart Tracker] It comes with a replaceable battery that lasts up to one year. You can rely on our key finder device to keep safeguarding your belongings without the hassle of frequent battery changes. Compact size, easy to carry. [Lost Mode] Our innovative NFC technology allows anyone who finds your Bluetooth tracker to easily access your contact information by tapping their iOS device against it. (Please note that it is necessary for you to input your contact information into the device in advance. )