what a Cellphone spy surveillance device can do?

In this high technological enhanced world, many devices have been launched to control and monitor the conversation on the phone. The Cellphone spy device is also one of them, and it can track, monitor, bug, record conversations, eavesdrop on the calls and texts on mobile phones. This system has raised and worked actively for knowing the people's movement.
Visit us:- https://www.thespysolution.com/ss7-surveillance-of-any-cell-phone/