• 6 Powerful Deep-Shiatsu Kneading Massage Nodes: massage heads simulate the real masseur's hand, providing a deeper and more immersive kneading experience, thoroughly massaging and relaxing your muscular traps, neck and shoulder. • Sensitive and easy to operate buttons ,The massager with heat it is settled within 10 minutes overheating auto-shut off protection. • This shoulder massager has 2 speed strength level, the long handle straps can be used to adjust the massage position and strength as well. • It truly achieves wireless massage and allows you to massage freely: Wearable Backpack-wearing Design Frees Hands for Daily Work,you can wear it whether you’re at home or in the office without any burden on your shoulder.