2. Large backlight LCD display enables clear and direct working status indication of remain battery power, mode, intensity and timer both during the day or night, even in the dim environment. 1. Built-in 48 different pre-programmed stimulation modes for multipurpose massage experience to effectively relieve pain and fatigue, promote blood circulation and metabolism or stimulate muscle for enhanced muscle performance of different body parts like head, shoulder, waist, back, buttocks, legs and etc. 3. control design, you can effortlessly switch modes, set timer and adjust intensity levels, and power on/off on the operation panel according to your massage preference. 4. allow customization applications on different body areas with different massage intensities simultaneously, practical to share with your friends or family members together.