A device for vacuuming a sealed container (28, 30) containing a product with a view to extending the shelf life of said product, said device being dissociated into two distinct sets comprising: - on the one hand, a stationary block comprising: • an electric motor; and • a vacuum pump driven by the electric motor, with a pipe in which a vacuum is created by the vacuum pump, and - on the other hand, a mobile head comprising: • a suction nozzle connected to the pipe of the vacuum pump and adapted to be temporarily sealingly coupled to a counterpart valve of the sealed container, the stationary block and the mobile head being linked to each other by a flexible pneumatic cord connecting the vacuum pump to the suction nozzle, said pneumatic cord being extendable from a rest position, in which the mobile head rests on the stationary block, to an active configuration, in which the mobile head is coupled to the sealed container remote from the stationary block, the device also comprising a switch (34, 47) for the electric motor power control, characterized in that: - the mobile head also comprises the control switch (34, 37), and - the stationary block and the mobile head are linked to each other by a double flexible cord comprising: • said pneumatic cord, connecting the vacuum pump to the suction nozzle; and • an electric cord connecting the control switch to the electric motor, the two cords being elastically and jointly extendable from the rest position to the active configuration. - on the one hand, a stationary block comprising: • an electric motor; and • a vacuum pump driven by the electric motor, with a pipe in which a vacuum is created by the vacuum pump, and • an electric motor; and • a vacuum pump driven by the electric motor, with a pipe in which a vacuum is created by the vacuum pump, and - on the other hand, a mobile head comprising: • a suction nozzle connected to the pipe of the vacuum pump and adapted to be temporarily sealingly coupled to a counterpart valve of the sealed container, the stationary block and the mobile head being linked to each other by a flexible pneumatic cord connecting the vacuum pump to the suction nozzle, said pneumatic cord being extendable from a rest position, in which the mobile head rests on the stationary block, to an active configuration, in which the mobile head is coupled to the sealed container remote from the stationary block, the device also comprising a switch (34, 47) for the electric motor power control, characterized in that: - the mobile head also comprises the control switch (34, 37), and - the stationary block and the mobile head are linked to each other by a double flexible cord comprising: • said pneumatic cord, connecting the vacuum pump to the suction nozzle; and • an electric cord connecting the control switch to the electric motor, the two cords being elastically and jointly extendable from the rest position to the active configuration. • a suction nozzle connected to the pipe of the vacuum pump and adapted to be temporarily sealingly coupled to a counterpart valve of the sealed container, - the mobile head also comprises the control switch (34, 37), and - the stationary block and the mobile head are linked to each other by a double flexible cord comprising: • said pneumatic cord, connecting the vacuum pump to the suction nozzle; and • an electric cord connecting the control switch to the electric motor, • said pneumatic cord, connecting the vacuum pump to the suction nozzle; and • an electric cord connecting the control switch to the electric motor,