The Yutaka M898 4D offers the best materials, tech and design with therapeutic massages. Enjoy maximum coverage from your neck to your feet. It has a 4D Back & Glutes Mechanism to customize the massage and Chromotherapy light programs. Intersound™ Tech and Bluetooth Speakers deliver nature sounds & more, plus an Air Ionizer helps reduce stress. Complete Calf™ Kneading & Oscillation plus Triple Roller Reflexology are perfect for tired feet. Charge devices wirelessly & use the Joystick Quick Access Control for auto programs. Space-Saving Tech requires 2" wall clearance. The Yutaka M898 4D gives health & relaxation to the entire family.