1. Touch the NMES touch switch through the palm of your hand, the blade touches the skin, and the micro current and motor vibration are activated at the same time. The muscles are repeatedly massaged to stimulate muscle contraction and increase muscle tension, thereby promoting blood circulation, reducing muscle pain, and accelerating muscle relaxation. 2. 3 gears, with essential oils during use, better results 3. Curved blade design, direct access to muscle tissue 4. Powerful and silent motor, the sense of vibration penetrates the muscle group, and the powerful and powerful high-frequency vibration amplitude is just right for every click 5. With the function of automatically finding acupuncture points 6. The smart chip is more stable and automatically senses the intensity of the massage 7. Built-in 1100mah battery, use 30 minutes a day, can last for more than 10 days 8. Material: metal + plastic 9. Voltage: 3.7V 10. Output power: about 0.8W 11. First gear pulse voltage: 43.6V, micro current 5mA 12. Second gear pulse voltage: 52.6V, micro current 7mA 13. Three gear pulse voltage: 62V, micro current 9mASpecification: Package Weight One Package Weight 0.62kgs / 1.37lb One Package Size 18cm * 13cm * 5cm / 7.09inch * 5.12inch * 1.97inch Qty per Carton 20 Carton Weight 12.22kgs / 26.94lb Carton Size 28cm * 26cm * 26cm / 11.02inch * 10.24inch * 10.24inch Loading Container 20GP: 1408 cartons * 20 pcs = 28160 pcs40HQ: 3270 cartons * 20 pcs = 65400 pcs