About this item Better Massage Experience - H7 ultra's new generation massage head design, 320 facet cutting technology, forms an irregular texture structure, so that the massage head has a richer sense of contact with the shoulder and neck ; Rolling massage heads are designed to achieve a smooth and comfortable massage,providing a better massage experience.(This massager has an overheating protection mechanism that automatically shuts off in 10 minutes.) Larger Massage Area and Heating Area - SKG Portable massager adopts a micro-swinging elastic massage head design, which fits the entire shoulder and neck in a three-dimensional manner, providing a larger massage area and fits larger neck sizes.H7 ultra has 64 red light beads + 2826 square millimeters of film hot compress, double-effect hot compress, providing a larger heating area.(Please do not use the highest heating level for a long time to avoid skin burns) Larger Massage Area and Heating Area - SKG H7 Ultra adopts a micro-swinging elastic massage head design, which fits the entire shoulder and neck in a three-dimensional manner, providing a larger massage area; 64 red light beads + 2826 square millimeters of film hot compress, double-effect hot compress, providing a larger heating area Hand-Free Design&Unique Gifts - SKG H7 Ultra neck massager for pain relief deep tissue with heat employs a unique backpack design, freeing up your hands. This make it an excellent gift choice for birthdays, valentine’s Day, Mother's Day,