A binaural hearing system comprising a) a first monaural hearing device comprising a first housing accommodating a first near-field magnetic induction communication unit and a first magnetic field antenna connected to the first near-field magnetic induction communication unit for performing near-field wireless data communication, wherein the first housing is adapted for being mounted behind an ear of a user of the monaural hearing device, a second housing accommodating a second near-field magnetic induction communication unit and a second magnetic field antenna connected to the second near-field magnetic induction communication unit for performing near-field wireless data communication, wherein the first and second near-field magnetic induction communication units (44, 116) connected to the first and second magnetic field antennas (42, 118), respectively, are adapted for performing near-field wireless data communication of an audio signal from one of the first and second near-field magnetic induction communication units (44, 116) to the other one of the first and second near-field magnetic induction communication units (44, 116), wherein the second housing is detachably connectable to the first housing by a snap-fit coupling, b) a second monaural hearing device comprising another first housing accommodating another first near-field magnetic induction communication unit and another first magnetic field antenna connected to the other first near-field magnetic induction communication unit, and wherein the first near-field magnetic induction communication units and the first magnetic field antennas of the first and second monaural hearing devices are adapted for performing near-field wireless data communication between the first and second monaural hearing devices. a) a first monaural hearing device comprising a first housing accommodating a first near-field magnetic induction communication unit and a first magnetic field antenna connected to the first near-field magnetic induction communication unit for performing near-field wireless data communication, wherein the first housing is adapted for being mounted behind an ear of a user of the monaural hearing device, a second housing accommodating a second near-field magnetic induction communication unit and a second magnetic field antenna connected to the second near-field magnetic induction communication unit for performing near-field wireless data communication, wherein the first and second near-field magnetic induction communication units (44, 116) connected to the first and second magnetic field antennas (42, 118), respectively, are adapted for performing near-field wireless data communication of an audio signal from one of the first and second near-field magnetic induction communication units (44, 116) to the other one of the first and second near-field magnetic induction communication units (44, 116), wherein the second housing is detachably connectable to the first housing by a snap-fit coupling, a first housing accommodating a first near-field magnetic induction communication unit and a first magnetic field antenna connected to the first near-field magnetic induction communication unit for performing near-field wireless data communication, wherein the first housing is adapted for being mounted behind an ear of a user of the monaural hearing device, a second housing accommodating a second near-field magnetic induction communication unit and a second magnetic field antenna connected to the second near-field magnetic induction communication unit for performing near-field wireless data communication, wherein the first and second near-field magnetic induction communication units (44, 116) connected to the first and second magnetic field antennas (42, 118), respectively, are adapted for performing near-field wireless data communication of an audio signal from one of the first and second near-field magnetic induction communication units (44, 116) to the other one of the first and second near-field magnetic induction communication units (44, 116), wherein the second housing is detachably connectable to the first housing by a snap-fit coupling, b) a second monaural hearing device comprising another first housing accommodating another first near-field magnetic induction communication unit and another first magnetic field antenna connected to the other first near-field magnetic induction communication unit, and wherein