1) 8 soft massage heads with built-in kneading.  

2) Designed to massage acupuncture points in the neck.  

3) Portable and easy to operate. 

 4) 5V DC power supply makes it safe in the home or car. 

 5) Automatic timer: automatically powers down after each cycle (15 minutes).  

6) 3.7V 2200mAh battery.