Unique and advantages: 1.it has far infrared heat treatment function based on previous models, BL-F model is more multifunctional with microcomputer numeral display, eight chanels.It can be independently used or shared by three persons at the same time. 2.the time can be freely set for 1-9 minutes, the whole treatment process is well memorized. 3. It has magnetic theraphy function. 4. It has hands and feet reflection treatment. You can put your hands and feet into the water with the electrode contactors in it. Because the acupoints on the hands are connected with other acupointsof body, So by this treatment, it is easy to cure the disease by the acupoints effectively without medicine.