OS-Pro 4D Encore is a 4D adjustable massage chair with a 52 Inch SL-track. "A demand, as by applause, for a repetition of a song, act, etc.". Relax and Rejuvenate over and over again with the OS-Pro 4D Encore. The Encore massage chair comes furnished with Human Hand Quad Style Massage Rollers, Automatic Leg rest Extension, Air Pressure Massage, Versatile Massage Techniques, and Intelligent Voice Control.

• Voice Control: Encore includes new features to showcase advanced technology which is voice recognition. Voice or speech recognition is the ability of devices to record spoken words or commands by the user. The Osaki OS-4D Pro Encore has a tiny microphone around the speaker which recognizes different phrases that the user can manage the massage modes by speaking.
• 3D Massage Rollers: Massages are adjustable with 5 levels of 4D adjustments, strength adjustments, intensity adjustment and 6 levels of speed adjustments for the roller massage.
• Body Scan System: The OS-4D Pro Encore will perform a body scan to map the key areas of the neck and back to ensure the optimal amount of pressure applied during the massage. The scanning technology will detect your shoulders height, which can be re-calibrated once the scan is complete.
• SL-Track Massage: Innovative Human hand quad style massage rollers and SL-shaped guiding track conform to the ergonomic principle. The Encore combines both the S and L track technology for an exceptional massage experience, and it is providing an even larger range of motion for the rollers to reach. The S-Track rollers will contour the natural curvature of your spine. The L-Track extends from your neck, all the way down past your lower back, and finally wrapping underneath the back of your thighs. The L-Track offers about 50% more massage area than your average S-Track chairs.
• Air Pressure Massage: There are multiple airbags located throughout the massage chair to offer a full body massage experience. The Encore offers a total of 26 airbags in the massage chair. Airbags are located at the shoulders, arms, waist and pelvis, and the calf areas. This compression massage helps to continue increasing blood circulation throughout the body to relieve pain and tension.
• 9 Auto Massage Programs: This Chair comes equipped with 9 different preset programs including - Boss Nursing, Gentle Treatment, Body Care, Extension, Neck & Shoulder, Waist & Spine, Sports Refresh, Working Relief, Rest & Sleep.
• 8 Manual Massage Styles: The Encore offers Mimic human hand Kneading, Tapping, Knocking, Shiatsu, Sync, 3D Shiatsu, Percussion, and Pressing massage techniques for custom-tailored relaxation.
• Heat Massage: The Encore has heating pads located on the Lumbar area and calf. Heating the body's temperature is known to increase blood circulation and loosen tense muscles.
• Zero Gravity: The Osaki OS-4D Pro Encore is equipped with  Zero Gravity, giving the user a weightless feeling during the massage. This gives the user an option on how far back they want their chair to recline automatically, or you can adjust the chair manually with the remote.
• Space Saving Technology: Encore slides forwards to create more space saving from the wall to allow the chair to be 3 inches away from the wall. Maximizing living space in your home.
• 3 Rollers Foot Massage: The Encore offers 3 underfoot rollers providing all-direction pressure massage for the reflex zone. Underneath the feet there are spinning reflexology rollers to provide an outstanding foot massage. The rollers under the feet will travel along the sides and middle of your feet to provide a more hand on kneading experience.
• Leg Rest Extention: The ottoman will scan your legs to ensure the optimal leg length for your height. The foot component will extend outwards and then retract inwards.
• Remote Holder:  The Osaki OS-Pro 4D Encore remote has an easy view screen displaying the function the chair has activated. On the remote it allows you to select the massage type, intensity, and location.