APP  introductions: This is an APP thatprovidesthe positioning of people, pets or assets.Through theAPP, you can get the real-time location of deviceand interactwith the device. Main features: 1. Real-timepositioning: youcan see the real-time location of the device on theAPP2. Historical track: you can search the historical trackofthe device on the APP 3. Geo-fence: setup geo-fence on theAPP4. 4. One-button SOS:  After setting the SOSnumberon the APP, long press the SOS button on the device, the APPcanreceive the SOS alarm message and call from thedevice.SOS: the app can receive the SOS alarm message and callfrom thedevice. 5. Other features: wechat, do not disturbmode, remoteshut-down etc..