Product features: Finding function: Bind the anti-loss device to the valuables. When the device is connected to the Bluetooth of the mobile APP, use the search function of the APP to make the anti-loss device sound, so as to find the items. Find mobile phone function: When the device is connected to the Bluetooth APP of the mobile phone, when you need to find the mobile phone, double-click the device button to call the mobile phone, the mobile phone will sound. Two-way alarm: Set the "Bluetooth disconnect alarm" switch in the software to achieve two-way anti-loss. When the device is connected to the Bluetooth APP of the mobile phone, if the mobile phone is disconnected from the Bluetooth of the anti-loss device, the mobile phone and the anti-loss device will issue an alarm sound, and the item mobile phone is lost and the alarm is reminded. Selfie function: When the device is connected to the Bluetooth APP of the mobile phone, the selfie function of the software is used to take photos wirelessly. Recording function: Double-click the switch button of the device, you can record in the APP. Disconnect location: When the item is disconnected from the Bluetooth of the mobile APP, the APP will record the lost location of the item after disconnection, and the lost location after disconnection will be displayed in the map in the APP. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.