3.Newest neck parts for massage 4.2 pairs of balls kneading and rolling massage 5.Massage balls can be positioned when kneading 6.The width between 2 pairs of balls adjustable when rolling 7.Moving up and down to massage your full back 8.Seat vibromassage for your thighs,3 levels of vibration to select 9.1 level of heating treatment 10.3 modes to select 11.3 levels of airbag intensity to selection