1.compact and multi-functional design,tier structure 2.hold of 8 liter water ,maximum depth of water reach 19cm 3.heating technology,water can be rose up 0.8℃/min ,can reach 40℃ with 10 min. 4.continuous vibrating massage 5.infrared ray function 6.indicator light will show to user what state the basin is:power link,heating,warmth keeping,vibrating,lacking of water and protecting 7.air bubble