Short Description: Product: Mini Massage Stick Origin: China Color: Black Size: 62× 62× 16 Battery capacity: 200mAH Weight: 31 Output: 35mA maximum Working hours 15 minutes Voltage:3.7V How to use: A-F (8 modes) 19 gears Frequency: 1-100HZ Quantity: 2 Pieces Product Description: Advanced EMS Technology: The mini massage stick utilizes Electronic Muscle Stimulation (EMS) technology to transmit electrical impulses, effectively helping to relieve pain and fatigue. By combining traditional massage techniques with high-tech innovation, it offers an efficient solution for pain relief.