Forward Each Phone Calls To Your Appointed Number. Looks Like A Normal Telephone Connector. No Need Charging, Plug To Use(Built In Special Circuit Get Power From Phone System). Support Voice Recording During Phone Conversation. Special Movable Design Cover Hidden Sim Card And Micro Sd Card In Case. Easy To Use, Just Connect It With Telephone And Setting Authoritative Phone Number Will Start Working. Listening Every Phone Calls.

Forward Each Phone Calls To Your Appointed Number. Looks Like A Normal Telephone Connector. No Need Charging, Plug To Use(Built In Special Circuit Get Power From Phone System). Support Voice Recording During Phone Conversation. Special Movable Design Cover Hidden Sim Card And Micro Sd Card In Case. Easy To Use, Just Connect It With Telephone And Setting Authoritative Phone Number Will Start Working. Listening Every Phone Calls.