1. Good room ventilation should be ensured because a too dry or too wet environment will fasten the aging of the leather. It is a natural movement sound to hear the motor sounds while is use. The massage functions are: Comfort, Ease, Ache Relieve, Demo (fast experience), Relax, Music Sync, Waist Stretch, Full Air Pressure and other speciﬁc massage functions. The chair can be set with 2 kinds of memory massage functions: M1 and M2 buttons are the saved massages. The Upper-body massage has 3 massage positions of: Overall, Partial and Fixed position. There are 6 different massage methods of: Shoulder Grasping, Kneading, Tapping, combination of Kneading & Tapping, Shiatsu, and 3D with 5 massage speeds available. Under the Tapping and the Shiatsu massage status, the width of the massage hands can be adjusted 5 levels. The Arm air massage and Upper Arm air massage function have 3 intensity adjustments. The Lower-body air pressure massage function, Back air pressure massage function, Buttock air pressure massage, and Calf Rest air pressure have 3 intensity adjustments. push into the arm for your hand and arm device to automatically reset. The chairs Back Heating function uses carbon ﬁber as an infrared heating source. The chair has a MP3 player function with 3-D digital audio built into the upper arms. There are 8 natural energy magnets placed in the calf airbags. Innovative negative oxygen ionizer design on head/upper arm section can emit negative oxygen ions. There are 8 natural energy magnetics in the calf airbags. Magnet therapy can lower cholesterol, eliminate free radical accumulation in the body and enhance human imunity. With 3D digital audio equipment on each side of the upper armrest and the ability to connect with a cell phone or tablet, you can enjoy the perfect fusion of music and massage while relaxing. F3 Auto: Ache Relieve F2: Auto: Fatigue Recovery F0 Auto:Demo F1: Auto: Comfort F5: Auto: Full Air F6: Auto: Waist Stretch F5: Auto: Full Air F7: Auto: Synchronous Music F8: Auto: Relax Heater Adjust Shoulder Position Up/Down On/Off Backrest Up Footrest Up Zero-Gravity Position Adjust Back Massage Intensity Up/Down Add Time Footrest Down Backrest Down Shoulder Grasp Knead Knead & Tap Tap Speed Shaitsu 3D Width Back Stretch UP / Down Lower Body Program Memory M1 Sole Roller Intensity Arm Air Massage Arthrosis Traction Program Memory M2 recline back. Press an auto massage button; the massage hands proceed with an auto detection of your shoulders and a body scan. Characterization of Automatic Massages Fast experience using all the massage functions. Depth massage on acupressure point to relax aching area. Works the Waist, Arms, Shoulders, and Leg air bags at the same time, relaxing the whole body. The calf air bag squeezes the calf part and pulls down while the backrest reclines to stretch the waist. It then returns to the original position and repeats the above actions. This relieves waist fatigue and helps you bounce back. Conﬁrm selection: If the current APP mode is invalid and you press the conﬁrm button; the horn sound will remind you it's an invalid selection. Shoulder grasp: the speed and intensity are adjustable. Kneading: the speed and intensity are adjustable Tapping: split into 2 massage modes the speed, width, and intensity are adjustable Kneading & Tapping: the speed and intensity are adjustable Shiatsu: split into 2 massage modes the speed, width, and intensity are adjustable. 3D: split into 4 massage modes the speed and intensity are adjustable. During ﬁxed or partial position massage mode, the massage hands can adjust downward. During ﬁxed or partial position massage mode, the massage hands can adjust upward. ARTHROSIS TRACTION Under lower body air compression mode or Calf air compression mode this button switches on/off the Calf Rest Stretch function. Arm Air Pressure Back Infared heating therapy: you will feel warmth after 3 minutes. Zero Gravity Mode Press power button during massage to stop all massage functions immediately or when one setting massage program ﬁnishes. The backrest and footrest won't return to their original position yet and the remote controller will display: SA & Memory will twinkle. Install the program supplied by agent or download from the network provided by agent. First go into startup interface after you start up the program. After 5 seconds into the massage information interface, click the power on/off button on the display interface to start the massage function. The massage chair will lie back automatically. A depth massage on acupressure points that relaxes aching areas Relaxes the whole body by working the Neck, Shoulder, Waist, Buttocks, Arms, and Leg air bags at the same time. Improves body fatigue state and recovers body activity The calf rest air bags squeeze your calves and pulls them down while the backrest slowly reclines to stretch the waist part. It then returns to the original position and repeats the above actions, while the seat air bags and massage hands work together. Shoulder grasp: will automatically turn on shoulder grasp massage. Speed and intensity are adjustable Kneading: the speed and intensity are adjustable TAP Tapping: split into 2 massage modes, the speed, width, and intensity are adjustable Kneading & Tapping: the speed and intensity are adjustable KNEAD AND TAP Shiatsu: split into 2 massage modes, the speed width and intensity are adjustable 3D: split into 4 massage modes, the speed and intensity are adjustable In the startup state of the lower-body, waist and buttocks, you can adjust the air compression intensity of the feet with 3 grades available. You will have a warm sensation 3 minutes after you switch it on. Switch the Sole Roller massage function on/off There are 3 modes for automatically lying down, adjust between each mode by pressing the Zero Gravity Button Click “ ” icon into setting function interface, then click “ ” icon for popup language list box, select the language type. The systems comes with 3 languages (simpliﬁed Chinese, traditional Chinese, and English).