Portable & Practical】Handy design with comfortable handle for easy holding, this back massager is portable for carrying along and convenient for daily use. 【4 Replaceable Heads】4 replaceable heads designed in different sizes and shapes, they are aimed at different body parts for precise massage enjoyment. 【Adjustable Intensity】Therapy circle vibrates for massaging to relive pain, ease intense muscle, 6 gears are available for all massage needs and all groups needs. 【Users Friendly Design】Anti-sc