There are two functions for you to chose with each pedicure spa chair.Function A: mechanical hand on the back,electromotive air cell on the buttom ectromotive movable back,working voltage is DC12V,easy for controlling,safety durable,the color is optional.Function B: 8 massaging wheels on the back, 2 massaging wheels on the neck,3 air cells on the buttom, ectromotive movable back,working voltage is DC12V,easy for controlling,safety durable,the color is optional.
There has mp3/dvd player,you can listen music when you enjoy the massage process.You can chose the music which you like no matter when.It's easy and conveniently.