[APP]: Find my tag is used for APP use, APP name: Find my tag. [Applicable system]: To use this product, you need to download the APP, which can be used for /Android phones. [Global positioning function]: The locator send out a safe -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. [Proximity search function]: When the -compatible is connected, click search to make the Findmytag make a sound, and the owner can find the location of the item. [Global Positioning System]: Let 2 billion friends around the world help you find your lost items. MCU (Microcontroller):ARM32-bit processor, 2.4G low-power -compatible NFC (Near Field Communication):NFC Forum Type2 Tag Sensor:three- accelerometer Reminder method:buzzer, LED Battery capacity:CR2032, 220mAh Supported platform:for Android4.4 and above version I0S8.0 Protection class:waterproof Battery life:365 days Product weight:about 50g Colour:White Material:Plastic Size:about:9x5.5x3.5cm Package Contents: 1 * Key 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.