Fangrui Product Details : 1. Findmytag Is Used For App Use, App Name: Findmytag. 2. To Use This Product, You Need To Download The App, Which Can Be Used For /android Phones. 3. Global Positioning Function: The Locator Send Out A Safe Bluetooth-compatible Signal Every Two Seconds, So That The Surrounding Devices Can Detect And Receive This Signal And Upload And Share It To The For Ios Icoud Server. The Owner Can Know The Location Of Findmytag Through The App Software, Navigable To Find Items, Let You Find Things Worry-free. 4. Proximity Search Function: When The Bluetooth-compatible Is Connected, Click Search To Make The Findmytag Make A Sound, And The Owner Can Find The Location Of The Item. 5. Global Positioning System, Let 2 Billion Friends Around The World Help You Find Your Lost Items. Specification: Mcu (microcontroller): Arm32-bit Processor, 2.4g Low-power Bluetooth-compatible Nfc (near Field Communication): Nfc Forum Type2tag Sensor: Three- Accelerometer Reminder Method: Buzzer, Led Battery Capacity: Cr2032, 220