RECHARGEABLE & LOW NOISE OPERATION.
It is suitable size for your neck and it can perceive your movement and deformation Thera Neck Pillow Massager Beige Batteries Included: No Condition: New Battery Requirements: Standard Dimensions: 3.0 pounds Made in China.0 inches (W) x 9. It can massage the neck promote your blood circulation and relieve fatigue makes you relax whole day.