Method for controlling radio transmission of audio data, wherein audio data from an audio player device is FM-modulated and transmitted to be received by an RDS capable FM radio receiver, comprising selecting at least one frequency, transmitting said selected frequency as Alternate Frequency of the RDS system to be received by said RDS capable FM radio receiver, receiving an input and responsive thereto interrupting said audio transmission, switching to said transmitted frequency, and resuming transmission of said audio data using said transmitted frequency.It is also provided an electronic device for radio transmission of audio data from an audio player device for being received by an RDS capable FM radio receiver, comprising a controller adapted for selecting at least one FM radio frequency, an audio input interface for receiving audio data from said audio player device, a transmitter adapted for modulating received audio data with FM modulation, and transmitting said FM modulated audio data on a frequency selected by said controller, and an input element for receiving an input, wherein said controller is further adapted for controlling said transmitter to transmit said selected FM radio frequency as Alternate Frequency of the RDS system, detecting an input to said input element and responsive thereto interrupting the transmission of said audio data, switching to said transmitted frequency, and resuming transmission of said audio data using said transmitted frequency.