Full Body Massage：The 48""/122cm SL-TRACK massage chair covers the entire body from neck to thigh. Its advanced body scan feature intelligently detects shoulder positions and adjusts the massage settings to fit your body curve precisely. With 10-18 auto modes, 4 massage techniques, and 32 airbags, it delivers an effective deep tissue massage to relieve muscle fatigue and tension. Zero Gravity Design：The massage chair's zero gravity design includes three adjustable levels. Elevating your knees above your chest helps to alleviate spine pressure and heart strain, improve blood circulation, and provide ultimate relaxation and comfort. Easy Adjustments：Operate the massage chair recliner effortlessly with its touchscreen interface. You can adjust the massage intensity, duration, techniques, and airbag pressure with ease. Simply lie down, select your preferred massage mode, and enjoy a customized experience. User-friendly and Multifunctional：The chair features back heating to promote blood circulation and adjustable footstools to fit different heights. Bluetooth speakers allow you to enjoy music during your massage, enhancing the overall experience. The design prioritizes user comfort and convenience for an immersive relaxation session. Skin-friendly and Durable：Constructed from high-quality waterproof semi-PU leather, the massage chair is soft, breathable, and durable. It's easy to clean and maintain, supporting up to 330lbs/150kg, making it suitable for a wide range of users."