new and high quality. There is no infection and pain in the treatment of diseases. It is convenient for the operator and easy to accept. Suitable for daily use, travel or business trips. Not only can it be used for hospitals, but also more suitable for families. Non-toxic, harmless, durable. Relieve back pain, shoulder pain, muscle pain, etc. Lightweight, small size, easy to carry in your pocket. Great for relaxation, back/neck muscle tension and stress relief. Suitable for: driving pressure, relationship stress, students, smartph addicts, office workers, seniors, excessive exercise. A new generation of health products made according to the principles of physics, bionics, electrobiology and the theories of traditional Chinese medicine. Using digital technology, this unit transfers the physical factors necessary for the human body into precise digital signals, and conducts comprehensive therapy through computers based on the body's requirements. All four pads must be used while operating this machine. Specifications: Color: As the picture shows Type: Massagers Massagers: Full Body Massagers Features: Cordless, Handheld, Remote Control Body Area: Full Body Massage Function: Vibrate Power: 2W Voltage: 4.5V Recommended Duration: 15-30 minutes Note: Please consult your doctor beforehand Using Safty Pain Relief Placement: Back, Knee, Shoulder, Elbow Joint, Neck, Sciatica Include: 1x Body MassagerWith BatteryProducts from NIUNIU's store