1) U design, according with your neck curve
2) 2 vibrators
3) 3 intensities
4) Can use at home and in the car
5) Alleviates the neck muscular soreness
6) It helps to improve the neck blood circulation
7) Renews muscular flexibility
8) With all PU interior structure8) Using 12V power supply, ensures safe and reliable operation
Specification:
1) Input voltage: DC 12V