Feature: 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 iPhone/Android phones. 3. Global positioning function: The locator will send out a safe Bluetooth-compatible signal every two seconds, so that the surrounding Apple 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-axis accelerometer Reminder method: buzzer, LED Battery capacity: CR2032, 220mAh Supported platform: for Android4.4 and above version 0S8.0 Protection class: waterproof Battery life: 365 days Note: Other products shown in the picture are not included, only the locator (excluding keychain), thank you for your understanding. With "Findmy Tag" words Material: plastic colour: white Package Contents: 1 x Locator 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.