Electrical built-in installation device with charger for a mobile audio and communication device

The device has a built-in insert comprising a charging device and an electrical 230 volts-terminal. A holder (18) has a central disk (26) for accommodating a mobile audio and communication device, and a printed circuit board (21) produces electrical connection between the communication device and the insert over plug devices. A LED (16) serving for charging condition indication is arranged in a covering frame (11), and contacts a contact device (22) of the board. An evaluation and control circuit for controlling the LED is electrically connected with the charging device.