GF-07 Mini GPS Tracker Tracking Device Real-Time Locator.

Dial SIM card number, then you can hear voice around this tracker, with no light and no noise, you can monitoring and to know what's going on around the tracker silently and secretly. Voice Recording Function: Send text message 555 to SIM card number, it will reply a message Snd and start recording, SIM card and TF card are not included.