Features: 1.Applicable Mobile Phone Models: Smart bluetooth tracker supports for Android mobile phones and for IOS 7 above mobile phones with NFC function, convenient for using. 2.Global Positioning Function: The locator will send out a safe Bluetooth signal every 2 seconds, so that the surrounding for IOS devices can detect and receive this signal and upload and share it to the for IOS ICOUD server. 3.APP Available: Download the APP on your phone, then remove the battery, you can see the password in the APP. Through the APP, you can know the location of the Bluetooth smart tracker, and you can also navigate to find it. 4.Proximity Search Function: When the Bluetooth is connected, click search to make the Bluetooth smart tracker make a sound, and you can easily find the item according to the sound. 5.Small and Portable: Bluetooth item locator can be carried around with taking up little to no space in pockets, wallets, backpacks, etc. It is suitable for old people, children, pet keychains, etc. specification:Item Type: Bluetooth Tracker Material: ABS Microcontroller: For ARM 32 bit processor, 2.4G Bluetooth low energy Reminder Method: Buzzer, LED Supported Platforms: For Android 5 and for iOS 9.0 above Built in Polymer Lithium Battery: CR2032 (not included) PackageList:1 x Bluetooth Tracker 1 x Manual