Material: ABS. 3D massage, 12 micro electric massage, one gear heating, battery type requires the customer to prepare 2 No. 7 batteries.Reduces Fatigue & Improves Blood Circulation ---- The EMS Neck Acupoints Lymphvity Massager Device is designed with acupuncture-type stimulation using an electric pulse to help relieve neck pain, and shoulder tiredness, promote neck blood circulation, and improve sleep quality. By using the EMS Neck Acupoints Lymphvity Massage Device, your muscle can be tightened, and strengthened, while reducing the visibility of cellulite.Pain Relief and Better Sleep ---- The EMS Neck Acupoints Lymphvity Massager Device designed with acupuncture-type stimulation using an electric pulse to help relieve neck pain, shoulder tiredness, promote neck blood circulation, improve sleep quality.12-LEVELS INTENSITY ---- 4 modes neck massage and free combination modes,12 levels of intensity to choose from. Users can select the appropriate mode according to personal needs, Give you the feeling of a real massage, promote the detoxification of the lymphatic system, and achieve the effect of relieving fatigue. for beginners, it is recommended to start with the lowest intensity.Ergonomic Design ---- EMS Neck Acupoints Massager Device uses good-quality and malleable materials to make the U-shaped neck Massage that will fit the curves of the neck. Total only 0.22lb(100g) and not slip off, so no burden on shoulders.Smart & Funtion ---- EMS Neck Acupoints Lymphvity Massage Device has built-in key functions, which will automatically shut down within 15 minutes to ensure safety. The built-in new thermostat realizes three-second heating, further giving you a better experience of eliminating fatigue. The function of the refreshing brain is suitable for anyone.