1. Massage contacts: 4 2. Function: Wireless remote control 3. Refrigeration + heating two-in-one device, visual display, intelligent voice prompt 4. Three gears adjust heating/cooling 5. There are 4 massage methods: palmpush dynamic mode, kneading dynamic mode, acupuncture therapy mode, knocking decompression mode 6. 8-head manipulator simulates human massage 7. Electric frequency pulse tingling, simple punching massage 8. U-shaped surround, comfortable to wear 9. Real kneading 15 minutes, neck instant easy double pinch massage, deeply relax the shoulder and neck 10. Upgrade bionic finger kneading more intelligent, no time-consuming and laborious flexible kneading finger accurate transmission of massage force 11. Upgrade refrigeration and heating principle, intelligent chip control temperature, refrigeration and heating to provide three temperature options, powerful function 12. The three levels of strength can be adjusted according to one's heart, the gentle level of daily neck maintenance, the rigid and flexible level of chronic cervical strain, and the strong level of stiff neck injury 13. Built-in 3500m polymer battery, visual power 15 minutes a day can be used for 7 consecutive days 14. Function partition control intelligent voice prompt, easy control without fussy 15. According to the principle of ergonomics, optimize the curve curve of both arms with 8 point clamping position design, the fitting strength is just right, light and non-sensory wearing experience, and the sense of touching the skin 16. Rated power: 10w 17. Thermal temperature: 10-45 degree celsius 18. Charging mode: Type-C/2A fast charge 19. Battery capacity: 3500mAh 20. Charging time: 2-3 hours 21. Massage method: Logistics massage 22. Massage strength: three gears 23. Material: ABS+PP+PC+ silica gel + electronic original 24. Input current: 2A 25. Standard: changes in temperature to hang a neck massage instrument, color box, data line, certificate, instructions in both Chinese and English 26. Size: 17.4x14x9.4cm 27. Weight: About 260g