JB-B001 JADE MASSAGE BED this jade massage bed has four jades inside, makes the kneading function .there are far infrared ray inside ,which is a good menthed to postphone the fatigue and improve sleepless .several times massage you can get a new feeling in back, it is a good way to clear the ache in back . it can make your bones stronger in back . it has the hand massage with the heat therapy ,it can reach 40-70 degree ,you can enjoy a good heat therapy massage everywhere you want . mainly dimension:195x62x15cm G.W 80kg Input voltage :Ac 220v/50Hz Ac110v /60Hz