BT tracking Not afraid of losing items When the phone or other items cannot be found You can directly double-click the button to make a prompt tone<br>When the item did not know where it fel Open the mobile APP to view you will know where it is dropped<br>Automatic alarm Prevent Ioss When the phone is more than a certain distance from the object, the object will Automatically sound the alarm to remind you to take back the lost items<br>Compact in size, equivalent to a coin, it's easy to carry and can be conveniently placed in various locations.<br>Two-way search Easily retrieve items Double-click the round button of the anti-lost device. the phone will automatically sound By clicking the alarm on the APP the item will automatically sound<br><br>Product parameter Product name: Smart object finder<br>Product net weight: 21g<br>BT version: BT 5.0<br>Product model: Y02<br>Use system: IOS/Android<br>Standby time: 6 months<br>Effective distance: 15 meters<br>Battery model: CR2032<br>color:Black<br>material: plastic<br><br>Package Contents:<br>3 x smart object finders<br>1 x Instructions in Chinese and English