1. Support for - MY application: simple configuration, you can use it 2. Not afraid of forgetting: use Finder-tag to easily track items Finder-tag is a master who can help you easily locate items. Just hang one on the keychain and put one in the backpack. If you forget them in or at a friend's house, you can see where the keys and backpack are when you open the search app. 3. Long-distance: If you lose your Finder-tag, your Finder-tag will send out a safe standard Bluetooth signal, which can be detected by devices nearby in the "Find" network. These devices will send the location of your Finder-tag to icloud, and then you can see it on the map of the Finder App 4. Privacy and security: All data of Finder-[tag is sent anonymously, and these data will not be recorded or disclosed. We work with to maintain user privacy and security Product Description: Model: RSH-itag02 Compatible platform: iOS Applicable object: for system Applicable platform: for iOS platform Applicable people: for device users Wearing : portable Wireless distance: 40m (open line of sight) Additional features: MFI certification size: 36 x 36 x 7.8mm Material: plastic colour: white Package Contents: 1 x Locator 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.