💺【Upgraded 4D Massage Chair】 Upgraded 4D Massage Chair Full Body The 4D massage roller imitates human massage. Choose from 15 automatic massage modes, each designed to target specific areas and alleviate various discomforts. Whether you seek relief for your neck, shoulders, back, or legs, there's a mode tailored to your needs. 10 techniques. Customization of Your Massage Chair Modes then enjoy it. 💺【3 Operation Methods】[LCD screen] displays all the functions of the massage chair clearly. [AI Voice] means use your voice to wake up/ control the massage chair. Your voice becomes the remote control. [Armrest shortcut keys] - Shortcut keys allow for quick access to frequently used functions. Add a wireless charging function, includes a USB charging adapter with a Type-C connector. Also a button to turn on/off, voice wake up button air pressure key zero-gravity key,etc." 💺【Body Detecting Personalized Massage】：This full body massage chair will automatically position your shoulders by scanning your body type. And the shiatsu point of shoulder,angle of lying down,strength and mode of airbag full body massage ,width of back and back area can be adjusted according to your needs.In addition, the massage chair's footrest can be auto extended freely according to the length of your legs. 💺【Deep Yoga stretch&zero gravity massage】：[stretch massage]Frame and backrest frame rise and fall, and air pressure massage, and stretching or traction on the legs. [zero gravity massage]There are 4 levels zero ravity angles .In addition with Bluetooth audio and ambient led lighting, so that your can reach a completely relaxed state. Note: Automatic programs 1, 2, and 3 include background music. Long press "comfort" to turn on/off back music. Long press 3 seconds “relax” to turn on/off mood light. 💺 【Long SL Track Rail】：This Shiatsu Massage Chair adopts the ergonomically designed 53.15 inch (135cm) SL track. The length realizes massage from your body from head to the leg which fits whole body's curves and massage shoulders, neck, back,waist and buttock. The S-Track wheel will outline the natural curvature of your .L-Track extends from neck to thigh The legrest has foot massage roller and length extend to massage full body. 💺【 WARRANTY POLICY】We provide a 3 years GUARANTEE including THREE MONTH FREE FOR REPLACEMENT and THREE YEAR for repairation. Due to the packaging, size, shipping and other reasons related to this product, once there are things you would like to know about the massage chair please confirm with us again before purchasing. CONTACT US: Login your amazon account> choose ""Your orders""> find the order ID> click"" Contact seller". Please confirm the product before throwing away the packaging.