GF21 Mini GPS Tracker, Trendy Gadgets

Two-way Call: Address Book Number Calls with Users. -Class anti-interference mode: set the non-interference time range through the guardian's mobile phone APP, and shield the incoming calls from the equipment. -Remote monitoring: a highly sensitive microphone that monitors the surrounding sound in real time in case of an emergency. -Device shutdown and restart function can be realized by guardian's mobile phone APP. -Intelligent Power Saving: Turn off/turn on GPS and data upload in time. -Mobile client/micro-messenger/computer service platform, multi-control mode.