Product Features: 1. Object finding function: Bind the anti-lost device to the valuables. When the device is connected to the mobile phone APP Bluetooth, use the APP’s search function to make the anti-lost device make a sound, so as to find the item. 2. Find mobile phone function: When the device is connected with the mobile phone APP Bluetooth, when you need to find the mobile phone, double-click the device button to call the mobile phone, and the mobile phone will make a sound. 3. Two-way alarm: Set the Bluetooth disconnection alarm switch in the software to realize two-way anti-lost. When the device is connected with the mobile phone APP Bluetooth, if the mobile phone is disconnected from the anti-lost device Bluetooth, both the mobile phone and the anti-lost device will emit an alarm sound, and the mobile phone of the item will be lost, and an alarm will be reminded. 4. Selfie function: When the device is connected with the mobile phone APP Bluetooth, use the Selfie function of