Shiatsu Neck & Back Seat Massager Long hours spent working, driving, or sitting can lead to discomfort in your back, shoulders, and neck. Many people experience sciatica, muscle tension, or pain as a result. With the RENPHO Neck and Back Massager, you can enjoy soothing massages for your neck, shoulders, and back at home or in the office, helping to relieve sciatica and muscle pain. Adjustable Neck Massage Pillow The massage pillow is vertically adjustable, ensuring a comfortable fit for family members of all heights. 8 Deep Kneading Massage Nodes Featuring 8 deep kneading massage nodes (compared to the usual 4), travels up and down your back, effectively allevating muscle tension. You can choose from 3 massage zones—full back, upper back, or lower back—and use the Spot function to focus kneading on specific areas for pinpoint relaxation. Soothing Heat Therapy The built-in heating function warms your neck and back, helping to relax tense muscles across your neck, back, lumbar area, and shoulders. Seat Vibration The seat offers vibration, providing a comfortable vibration massage for your hips while relaxing your lumbar area. Precautions Do not use this Neck & Back Massager in the driver's seat. Avoid laying the massager completely flat. Consult a doctor before using the device, if you are Pregnant, Children, Elderly (over 65 years old), Persons with skin infections, sensitivity, redness, wound, and/or burns on the skin.