This electric toothbrush Braun Oral B with nine of 3D Tri Zone Toothbrush (3 different field zones of the toothbrush to clean the teeth and remove plaque particular in the cervical area) is highly recommended. This 3D Tri Zone toothbrush can be changed to the "normal" rotary toothbrush. A 30 sec interval can be used intensively for 4 squares dental care. As a gadget can connect to the smartphone are set up as a timer control (has not been used since interval is indicated acoustically) The battery lasts up to 7 days at 2 x 2 min / day brushing. With the travel case as a free supplement for 2 toothbrushes, thus is very convenient for a short trip without recharging of the toothbrush.
