The data cable selects 5 massage modes and 15 intensity levels, which can be easily adjusted by direct button control of the smartphone to enjoy the massage that suits you.2. Ergonomic design: This neck massage ergonomic design fits firmly, with arm guards sand float massage head on both sides, forming a complete package on both sides for a firm fit. Comfortable to wear, does not affect neck movement.3. Easy to carry: This neck massage is powerful, portable and lightweight. Folding massager does not need to take up much space in your bag.4. Unique design: Equipped with physiotherapy technology and low-frequency pulse technology, it simulates traditional massage techniques to provide you with deep tissue massage, promote blood circulation, muscle relaxation and decompression. Controlled by a constant temperature of 43 degrees Celsius, the massage penetrates your muscles to ensure maximum relaxation.7. Relieves neck muscle tension: The smart neck massager simulates a sareal massage to help relieve neck pain, improve sleep quality and promote blood circulation. Penetrates your muscles to ensure maximum relaxation