Yesido MG11 3 Modes Adjustable Width Neck and Shoulder Massager Features: 1. Refreshing and decompressing, neck massage: simulate kneading and acupressure massage, effectively relieve neck and shoulder muscle tension and soreness. 2. Constant temperature hot compress, relax tight muscles: built-in heating device, warm current constant temperature (41-45 degrees Celsius) hot compress, promote blood circulation in the neck, relieve muscle tension, and relieve pressure comfortably. 3. Lightweight and not tiring to wear for a long time: ergonomic design, fits the neck, provides support to simulate human hand massage, 1044g weight does not press the neck, freeing your hands. 4. 3 Versatile Massage Modes: Choose from Kneading, Master, and Meridian modes to target different massage needs and preferences. 5. Adjustable massager width: turn the knob to adjust the width and narrowness of the massager, which can be adjusted according to personal preferences to obtain personalized comfort. . Parameters: 1. Material: PU+ABS+cloth+cotton 2. Weight: 1044g 3. Rated power: less than or equal to 10W 4. Charging current: DC5V less than 1.5A, about 3H 5. Battery capacity: 2400mAh 6. Noise decibel: less than 50dB 7. Working time: 10Mintime 8. Continuous use: about 150min 9. Massage head speed: less than or equal to 26r+-10%min 10. Neck heating temperature: 41-45 degrees Celsius