The Smart Chair X3 3D/4D is a state-of-the-art massage chair designed to provide users with a deep tissue full-body massage experience. It incorporates advanced technology and features to offer relief from neck to feet. Here are some of the key features and functionalities of the Smart Chair X3 3D/4D:

1. Near-Flat Reclining S-Track Massage Mechanism: This unique feature provides a massage experience that closely mimics human hands massaging your neck, back, and shoulders. The S-Track design ensures that the massage mechanism follows the natural curvature of your spine.

2. 3D/4D Massage Technology: The chair offers 3D/4D massage technology, which allows for deep tissue massage. It replicates the sensation of human hands kneading and manipulating your muscles to provide a more effective and customizable massage experience.

3. TrueFit™ Body Scanning: This technology uses sensors to detect your body's curves, shapes, sizes, and pressure points. The chair's massage programs are then customized based on the individual user's body to ensure a precise and comfortable massage.

4. True Inversion for Spinal Decompression: The chair includes a feature for spinal decompression, which can be beneficial for relieving back and spine discomfort. This feature helps to reduce pressure on the spine.

5. Waist Twist Therapy: The Waist Twist Therapy feature is designed to promote flexibility and relaxation in the waist area, potentially relieving tension and discomfort.

6. Weightless Zero Gravity Recline: The chair offers a Weightless Zero Gravity Recline position that elevates your feet above your heart level. This position is believed to improve circulation and offer a sensation of weightlessness and relaxation.

7. Soothing Lumbar Heat: The chair includes lumbar heating elements that provide gentle warmth to help relax and loosen muscles in the lower back area, potentially easing muscle tension.

8. Triple Roller Total Sole Reflexology™ Foot Massage: This feature uses three rollers to target vital pressure points on the soles of the feet, potentially improving lymphatic functionality and providing a soothing foot massage.

9. Bluetooth Speakers and Smartphone App: The chair is equipped with Bluetooth speakers, allowing users to enjoy music or other audio during their massage. Additionally, it can be controlled through a smartphone app, providing convenience and customization options.

10. Auto Programs and Customization: The Smart Chair X3 offers nine easy-to-use auto programs, such as Extension, Sports Refresh, Rest & Sleep. Users can also customize and create their own massage programs tailored to their preferences.

The Smart Chair X3 3D/4D is designed to help users with stress relief, pain relief, better sleep, and overall relaxation. Its advanced technology and comprehensive massage capabilities make it a valuable addition to home wellness and self-care routines. Users can choose from pre-programmed options or create their own massage experience based on their specific needs and preferences.