An apparatus comprising: a first interface configured to provide a data connection to a head unit of a vehicle; an antenna configured to receive and transmit high-frequency signals; a second interface connected to the antenna and configured to provide a wireless data connection to a base station of a wireless communications network; at least one data processor; at least one memory configured to store a computer program code and media content; a battery configured to supply power at least to the second interface, the at least one data processor, and the at least one memory; wherein the first interface is further configured to provide a power connection to the head unit of the vehicle; and the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: attempt to establish, utilizing the first interface, the data and power connection with the head unit to exchange data with the head unit and to receive power from the head unit; attempt to establish, utilizing the second interface and the antenna, the wireless data connection with the base station associated with the wireless communications network to exchange data with the wireless communications network; if the data and power connection is established, exchange media content with the head unit, and supply the power received from the head unit at least to the second interface, the at least one data processor, and the at least one memory; otherwise supply power from the battery at least to the second interface, the at least one data processor, and the at least one memory; if the wireless data connection is established, exchange media content with the wireless communications network; and if the data and power connection to the head unit is not established and power is supplied from the battery, to store in the memory media content received from the wireless communication network. a first interface configured to provide a data connection to a head unit of a vehicle; an antenna configured to receive and transmit high-frequency signals; a second interface connected to the antenna and configured to provide a wireless data connection to a base station of a wireless communications network; at least one data processor; at least one memory configured to store a computer program code and media content; a battery configured to supply power at least to the second interface, the at least one data processor, and the at least one memory; wherein the first interface is further configured to provide a power connection to the head unit of the vehicle; and the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: attempt to establish, utilizing the first interface, the data and power connection with the head unit to exchange data with the head unit and to receive power from the head unit; attempt to establish, utilizing the second interface and the antenna, the wireless data connection with the base station associated with the wireless communications network to exchange data with the wireless communications network; if the data and power connection is established, exchange media content with the head unit, and supply the power received from the head unit at least to the second interface, the at least one data processor, and the at least one memory; otherwise supply power from the battery at least to the second interface, the at least one data processor, and the at least one memory; if the wireless data connection is established, exchange media content with the wireless communications network; and if the data and power connection to the head unit is not established and power is supplied from the battery, to store in the memory media content received from the wireless communication network. attempt to establish, utilizing the first interface, the data and power connection with the head unit to exchange data with the head unit and to receive power from the head unit; attempt to establish, utilizing the second interface and the antenna, the wireless data connection with the base station associated with the wireless communications network to exchange data with the wireless communications network; if the data and power connection is established, exchange media content with the head unit, and supply the power received from the head unit at least to the second interface, the at least one data processor, and the at least one memory; otherwise supply power from the battery at least to the second interface, the at least one data processor, and the at least one memory; if the wireless data connection is established, exchange media content with the wireless communications network; and if the data and power connection to the head unit is not established and power is supplied from the battery, to store in the memory media content received from the wireless communication network.