1. One-button control, lightweight body, high-frequency impact, four-speed adjustment, Tape-C/USB-C charging, silent noise reduction 2. Multi-part massage, effectively relieve muscle fatigue and soreness 3. Brushless high-speed motor, more powerful, with double-bearing rotating structure, providing high-speed continuous power shocks and penetrating deep muscle groups, fine craftsmanship 4. Restore full vitality and release physical fatigue, which can help you reduce the risk of sports injuries 5. Intelligent power-saving design, longer standby time, high-efficiency battery pack provides stable output current for long-lasting battery life, no need for frequent charging, easily relieve fatigue and exhaustion after going to work or exercising 6. Built-in large-capacity battery, continuous battery life 4-5h 7. The lightweight body is only the size of a palm, and little girls can easily operate it with one hand 9. 4 levels of strength adjustment to meet the needs of different groups of people (1 level for muscle awakening, 2 levels for fascia relaxation, 3 levels for decomposition of lactic acid, 4 levels for deep massage) 10. Applicable parts: neck, waist, buttocks, legs, back, feet 11. Massage contact: 1 12. Function: vibration 13. Power supply mode: USB 14. Massage techniques: slapping, tapping 15. Shell process: spray paint 16. Body material: ABS 17. Battery capacity: 1200mah 18. Power supply mode: USB/Type-C charging/built-in lithium battery 19. Charging voltage: 5V 20. Size: 17x15cm 21. Weight: about 210g