3D Pulse Electric Neck Massager Cervical Vertebra Muscle Spasm Pain Relief Device

Features: 
1. Relieve neck muscle spasm, relieve pain symptoms, adjust and restore the damaged internal and external balances of cervical spine. 
2. 3D smart fit technology, easy to adjust the electrode according to your neck curve, more comfortable to use. 
3. AAA batteries, convenient to use. 
  
Specifications: 
- Item Type: Cervical Vertebra Massager. 
- Size:14*14cm/5.5*5.5inch. 
- Material: ABS. 
- Color: White/Red. 
- Pulse Frequency: 1-1000Hz. 
- Pulse Width: 20-400us. 
- Battery Type: 2X AAA Batteries (Not Included). 
  
Package List: 
1 x Cervical Vertebra Massager. 
1 x Manual