Adjustable Height: The roller massager has an adjustable height to accommodate different body types and preferences. Multiple Uses: This tool can be used for pain relief in various areas like legs, waist, neck, and shoulders. Water Resistant: The roller massager is not water resistant, making it safe for use in the home. Cordless Operation: This tool operates cordlessly for convenience and portability. Pain Relief: The roller massager provides deep tissue massage to alleviate pain and discomfort. Handheld Balls Shoulder Massager, Trigger Point Roller Massager For Pain Relief