-Neck massager with 4 heads,precise and comprehensive coverage on common sore areas of shoulders and necks -Ergonomic U-design.Lightweight and portable fit around any neck.foldable and elegant -42℃ heating,promote blood circulation -Different massage technology(tapping,kneading,shiatsu,massage,beating etc.) to relieve the meridian blockage -Low-frequency electric impulse, 18-grade intensity. -10 minutes time setting.strong battery life. -Comfortable massage like a real person, relax the tight muscles, relieve fatigue, release vitality for travel (airplane high-speed rail), office, home, phubber, office worke -Item Type:Smart Neck Massager -Material:ABS -Power:3W -Voltage:5V -Gear:18 Levels -Temperature:42℃ -Charging Time:About 1 Hour -Use Time: 2 Hours Package Weight: 305g Package Dimensions: 18.5cm x 7.3cm x 18cm