instructionsThe device is a low power product based on Bluetooth 4.0. Through the app software of mobile terminal, the items (such as keys, handbags, etc.) that users are easy to lose are bundled together to prevent the loss of items; You can even hang the device on children to ensure that they are in your sight; Or hang them on your pets, so you don't have to worry about them getting lost.1. Switch on and offPower on: press and hold for about 3 seconds, the indicator light will flash rapidly for 10 seconds, and continue to flash every 2 seconds under no connection and no key operation, and power off after 30 seconds.Power off: long press about 3 seconds later, a long prompt sound of "drop" will sound, and the indicator light will go out.(the following operations are Android in redmi 5 plus, Android version 9.6.3.0, apple in iPhone 6S plus, IOS version 11.3.1. If the system is different, the actual mobile phone will prevail, or it will be updated without notice.)2. Add deviceTurn on the Bluetooth of the mobile phone, enter the app, skip the startup interface, and directly enter the "add device" interface(Android App interface on the left, IOS app interface on the right, the same below, no further explanation)Click the "add new device" icon in the interface, as shown in the figure.After searching for a new device, click auto connect, as shown in the figure At this time, you can also edit the device name as needed.)After connecting, click the alarm icon, as shown in the figure, you can hear the "didi" alarm sound of the anti loss device, and then you can find the anti loss device "Didi" sound can call continuously. If you click the alarm icon again, the sound will stop.In the setting interface, you can select the alarm ring and the alarm distance, as shown in the figure;Click "system settings" to view the recording file and set double-click options, as shown in the figure.3. Take photosUsing the camera function, click the anti loss device to take photos.4. PositioningThe location function can only keep the location when the anti loss device is disconnected from the mobile phone. The location record can be found in the "lost record". To use this function, you need to turn on GPS and keep your phone connected to the network.