Features 4 Buttons for Operation,Easy to Use for All People 4 Deep-Kneading Shiatsu Massagers Nodes Optional Heating Function 3 Speed Modes Overheat Protection, 15 minutes Auto Shut-Off Adjustable Elastic Straps Be Attention: (1) Its NOT cordless. (2) Please do not use it while driving! (3) If the connection seems loose, please try to push the connector little further with force. (4) The kids under 12 years old are not recommend for Massagerss. (5) Its recommended to add a towel while directly contacting the skin. People who have sensitive skin should be aware of this. Still suffer from aches, muscle fatigue and ion? ESSEASON Neck and Back Massagers with Heat keep you relax: Suitable for: Office workers, Athletes, People with neck, shoulder or back pain, muscle fatigue, and poor blood circulation 4 Buttons Neck Massagers: Power, Direction, Heat, Speed 4 different buttons, so easy to operate at the same time. You can choose the suitable speed from low to high as per your comfort level. Perfect Massagers Experience: With 4 kneading Massagers nodes, automatically changes direction every minute, back Massagers can soothe tired muscles, relieve aches thoroughly and promote blood circulation. Heating Option: The shiatsu Massagers allow to get heated Massagers up to 45C, obvious good for blood circulation. Equipped with overheating safety protection which allow auto switch off after every 15 minutes, a safe Massagers experience for you and your loved ones. Superior Quality: Adopted breathable materials and PU leather surface, non-toxic and odorless. With an ergonomic design, Massagers pillow is perfectly design to fits for your back, neck, cervical, shoulder, lumbar, abdomen, calf, and other areas. Adjustable Elastic Straps: Designed with the adjustable elastic on the back of Massagers cushion, you can enjoy the Massagers on your chair, car seat, office easy as your like. Inclued with home power and car adapters, it is very convenient.