1. Low-frequency pulse technology can deeply relieve muscle fatigue. Low-frequency pulse technology that does not harm human body can be used to conduct deep relaxation and relaxation to the underlying muscle nerve. 2. Constant temperature heating compress can relax the stiff muscles. The electric electrodes of the massage instrument can be heated to 40, which can be used for daily shaping of the legs, massage the aching muscles of the arms, and relax the thigh muscles after running to help the stiff muscles soften and promote the blood circulation. 3. Five kinds of massage, seven-gear adjustment, one-key control, voice broadcast; 5 kinds of simulation human massage techniques, according to the different points of the human body, adapt to the massage needs of different people, simple operation and easy to use. Feature: Mini portable neck massager, intelligent pulse meridian therapy instrument. Magnetic ring design, simple operation with one button. Multi-gear power adjustment voice prompt. The same material with children watch for skin breath. Specification: Color: Gold, Mint Green, Starry Silver, Black Massage contacts: 2pcs Product material: soft adhesive material + PC + finalized electrode piece Product size: 165*118*36mm / 6.5*4.6*1.4in Product weight: 100g Power supply: USB charging Battery capacity: 380mAh Rated voltage: 5V Rated power: 5W Charging time: about 1H Endurance: 1-2H Temperature range: 38~40 Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-3mm measuring deviation due to manual measurement. 1 X Neck Massager