It adopts advanced microcomputer technology. It has a protruding head and magnetic S/N belt to have physiotherapy of the sole. Also, it regulates the sleep effectively, promotes the hypophysis growth hormone to secrete in a large amount and helps you absorb calcium, iron and zinc that are contained in the food we eat every day. It also help you absorb the elements which are useful for the growth of the skeleton, accelerate skeleton cell's splitting and proliferating constantly and keep the human body growing continuously. Outer packing: 20 sets/ctn Carton dimensions: 66 x 46 x 39.5cm Carton volume: 0.119922cbm N. W.: 24kg G. W.: 26kg Conveyance: Qty/20' FCL: 4, 800 pairs (240 cartons) Qty/40' FCL: 10, 000 pairs (500 cartons) Qty/40' HQ: 11, 500 pairs (575 cartons)