CE CERTIFICAT 1.Upholstery:PU,Cow leather,leather/PU,cotton cloth. 2.8 motors vibration massage system,8 functions selected. 3.3 speed intensity (weak,normal and strong) 4.Recling angel:103-133 degree, manually adjustment. 5.Remote Control is friendly to user 6.10,20,30 minutes Timer 7Easy reclining by the user's own weight when he open the switch Can be used as a common sofa in public waitting room,such as in Airport lounge,or in hotel lobby. 8.The chair can be added one Heater on the back to warm the user's waist. 9.Quantity in 40'Container: 126 pieces 10.Weight(net/gross):40/45kgs You can choose the chair without a massage system to be a normal leisure chair.