Kadandn traction back belt adopts dual motor vibration massage, and the third gear is adjustable. The belt is inflated, traction and decompressed, and it also cooperates with the vibration massage heating function to bring more comfortable relaxation and care to your lumbar spine; At the same time, we have added 3 timer functions (green light 40min, blue light 25 min, red light 15 min), the vibration time and temperature can be adjusted freely according to needs, and it can also be used repeatedly or ended early;