EMS Mini Neck Massager

Specification:

• Product Name:Magic paste
• Voltage:3.7V
• How to use:A-F (8 modes) 19 gears
• Frequency:1-100HZ
• Working Hours: 15 minutes
• Output: 35mA maximum
• Battery Capacity:200mAH
• Frequency: 1~100Hz
• Weight:31g
• Color :Blue, Black
• Size:As the picture shows