The Lumbar Lift Lower Back Stretcher and Massager is an ideal way to stretch and massage your lower back. Air Flex Technology has an adjustable intensity that inflates to provide a deep, relaxing stretch to improve flexibility and range of motion; stretching promotes wellness and reduces tension. Vibrating waves loosen tight knots and comfort tense muscles for ultimate relaxation; optional therapeutic heat soothes sore muscles and helps alleviate pain and stiffness. Use the convenient hand controls to customize your stretching exercises with three levels of heat, vibration massage, and two auto programs. Small and lightweight design so you can take it wherever you go; designed to fit comfortably in the natural contour of your lower back. Includes AC Adapter and Quick-Start Guide.