4D (Dual-Track Rollers) | SL-Flex-Track | Intelligent Health Detector | Intelligent Voice Control | Piano Key Massage | Heating Cores (2) | Zero Gravity | Full Body Air Massage (36) | Calf + Foot Rollers | Heat Therapy (lumbar & chest) | 20 Auto Programs & 11 Manual | Calf & Foot Rollers | Extendable Footrest (6.5'') | Space Saver (5.5") | Negative Oxygen Ions | Bluetooth | Quick Controls | Touchscreen Tablet | Wireless Charging + USB Charger

4D + 2D (Dual Track) | SL-Track (Self Adaptive) | AI Health Monitor | Intelligent Voice Control | Body Scan | Zero Gravity | Full Body Air Massage (52) | Arm Rollers (3) | Foot Rollers (triple) + Kneading & Rubbing Calf Massage | Heat Therapy (lumbar) | 12 Auto Programs & 6 Manual | Footrest Extension (6") | Space Saver (9.5") | Bluetooth | Quick Controls | Wireless & USB Charging | Touchscreen Tablet

4D | Syner-D Flex-Track (49") | Zero Gravity | Body Scan | Full Body Air Massage (32 Airbags) | Triple Reflexology Foot & Calf Rollers | Air Ionizer | Leg Extension (6'4") | Space Saver (2") |  Memory | Built-in Sounds | Bluetooth | Touchscreen Tablet | Quick Controls | Intelligent Voice Control | Chromotherapy | Wireless Charging Pad + USB

Dual 3D Butterfly Technology (2 Sets of Rollers in neck/shouders, back/glutes) | Split L-Track 60" | Side Entry | Hand Stretching | Foot & Calf Rollers + Arm Rollers | Body Scan | Improved Air Compression (100) | Zero Gravity | Wireless Touchscreen Remote Controller | Memory (5) | Voice Control | USB & Wireless Charging | Emergency Battery Backup | Noise Reduction | Premium Full Leather Chair | Durable Medical Equipment | Included Blood Pressure Monitor | Customized Leather Nametag & Keypad | Big & Tall | Made in USA

3D FULLBODYREACH™ 6-Roller Multistroke  | L-Track (49") HYBRIFLEX™ | Zero Gravity | Inversion | Body Scan | Full Body Air Compression (50 Airbags) | Triple Layer Foot + Calf Rollers | Extended Heat Therapy (Lumbar / Knee / Calves) Patented Legrest | Space Saver | Touchscreen Tablet | Quick Controls | Bluetooth | USB + Qi Charging Station

3D + 4D | S & L-Track | Unibody Track | Zero Gravity | Virtual Therapist | Extending Heated Knee, Calf, and Foot Massager | Altec Lansing Premium Sound System | Advanced Fingertip Controls | 38 Auto-Wellness Programs | Cloud Touch Acupressure | Dual-Lumbar Heat | Bluetooth Speakers | Built-In USB Port | Space Saving | App Functionality | Fully Assembled | Big & Tall Chair

4D | 52.8" Heated SL-Track | Chair Doctor AI Body Pain Scan | Intelligent Voice Control | Zero Gravity | Body Scan | 15 Auto Massage Modes + 5 Manual Massage Modes | Foot Rollers w/ Superior Massage | Foot & Deep Calf Kneading | Bluetooth | Space Saver | Touch Screen Tablet | Quick Controls w/ USB & Wireless Charging

5D AI Plus Mechanism | S-Track | AI Double Sensing Body Scan | Zero Gravity | Lay Flat | Brushless Motors | Diverse Stretch | Full Body Air Massage | Voice Guidance | Extended Heat Therapy (Foot and Upper Body) | Extendable Footrest with Foot Rollers | 38 Auto Programs | Bluetooth Speakers | Memory Function | Touchscreen Remote | Made in Japan

4D | SL-TRack | Proprietary 'Fingertip' Shoulder Massage | Body Pain Scan | 4 Intensity Levels | Smart Voice Control | Body Scan | Zero Gravity | Full Body Air Massage (46) | Foot & Calf Rollers | Extended Heat Therapy (lumbar, Feet) | 16 Auto Programs & 4 Manual Styles | Footrest Extension (9") | Space Saver (3") | Bluetooth | Quick Controls | USB & Wireless Charging | Touchscreen Tablet | App Control | Negative Oxygen Ions