A hearing aid device configured to be worn in or at an ear of a user comprising, at least two environment sound inputs , each being a microphone for receiving ambient sound and generating an electrical sound signal representing sound, a dedicated own voice beamformer system configured to retrieve, from the electrical sound signals, a user voice signal representing the voice of the user, and a single channel noise reduction unit processing a spatial sound signal of the own voice beamformer , and wherein the single channel noise reduction unit is configured to reduce noise in the electrical sound signals, a wireless sound input for receiving wireless sound signals from a communication device , an output transducer configured to stimulate hearing of the user, electric circuitry configured to operate the hearing aid device in various modes of operation, a transmitter unit configured to transmit signals representing sound and/or voice, and wherein the transmitter unit is configured to be wirelessly connected to the communication device and to transmit the user voice signal to the communication device , and wherein the wireless sound input is configured to be wirelessly connected to the communication device and to receive wireless sound signals from the communication device , wherein, when the hearing aid device operates in a communication mode, the electric circuitry is configured to process the electrical sound signals in combination with a wirelessly received wireless sound signal to generate an output signal, wherein the hearing aid device comprises a voice activity detection unit configured to detect if a voice signal of the user is present in the electrical sound signals, and wherein the electric circuitry is configured to estimate a noise power spectral density of a disturbing background noise from sound received with the at least two environment sound inputs when the voice activity detection unit detects an absence of a voice signal of the user in the electrical sound signal. at least two environment sound inputs , each being a microphone for receiving ambient sound and generating an electrical sound signal representing sound, a dedicated own voice beamformer system configured to retrieve, from the electrical sound signals, a user voice signal representing the voice of the user, and a single channel noise reduction unit processing a spatial sound signal of the own voice beamformer , and wherein the single channel noise reduction unit is configured to reduce noise in the electrical sound signals, a wireless sound input for receiving wireless sound signals from a communication device , an output transducer configured to stimulate hearing of the user, electric circuitry configured to operate the hearing aid device in various modes of operation, a transmitter unit configured to transmit signals representing sound and/or voice, and wherein the transmitter unit is configured to be wirelessly connected to the communication device and to transmit the user voice signal to the communication device , and wherein the wireless sound input is configured to be wirelessly connected to the communication device and to receive wireless sound signals from the communication device , wherein, when the hearing aid device operates in a communication mode, the electric circuitry is configured to process the electrical sound signals in combination with a wirelessly received wireless sound signal to generate an output signal, wherein the hearing aid device comprises a voice activity detection unit configured to detect if a voice signal of the user is present in the electrical sound signals, and wherein the electric circuitry is configured to estimate a noise power spectral density of a disturbing background noise from sound received with the at least two environment sound inputs when the voice activity detection unit detects an absence of a voice signal of the user in the electrical sound signal. <EOS>