Description :  
USB Electric Neck Shoulder Spine Massage Instrument Multi-functional Cervical Massage Intelligent Hot Compress Vibration for Relieve Cervical Vertebra
Features :
- TENS Low Frequency Pulse
This device uses electric current to stimulate muscles to achieve the purpose of massage.
- 15 Adjustable Strength
There are 15 strengths. The intensity is too low to feel noticeable. When the intensity reaches a certain level. You will feel an electric shock. 15 adjustment, feel different berry massage pleasure.
- 6 Massage Modes
6 modes, including push, pressure,  squeeze, knead, pinch, roll, variety of mode selection, experience more cervical spine massage fun.
- Long Battery Life & Automatically Turn Off
Safe to use and save power.
Specifications :
| Product Model                                      | Cervical Massager                                        |
| Massage time | 15min/time |
| Rated voltage | 5V |
| Massage intensity | 15 levels |
| Massage modes | 4 modes |
| Number of massage heads | 2 massage heads |
Package Included : 
1 x  Cervical Massager
1 x Electrode Sheet
1 x USB cable