Shop Gf-21 Mini Gps Tracker Activated Recorder Audio Recording Device Wifi or gsm "Real-Time Voice Monitoring You can listen to the audio sounds in real-time through this voice recorder, or activate the auto-recording, which will record and store in the cloud 15 seconds each file. Multiple PositioningThis new version tracker or locator has a more powerful positioning function than the GF-07, GF-09, GF-19 model which can work with GPS, GSM, LBS and WIFI, such as remote control, one-button searching, step counting and so on. About SIM CardThe GPS supports Speedtalk GPS tracker SIM or T-mobile 2G SIM or GMS 2G Card, supports 32G memory card. The device does not contain a SIM card and memory card. Positioning Query You can check the user's specific location through the mobile app or computer whether it is brought by children, the olds, in the bag or in a car, you can find them easily as soon as possible. Use Precautions1. If the positioning is inaccurate, please restart the device 2. If it fails to start normally, please charge it compatible 2 hours and try again 3. If you cannot get the data, please restore the warehouse settings and restore the factory settings-send a text message: ""1122"" Restore factory password-send SMS: ""pwrst""" 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.