Zyllion Neck and Back Massager for Chair - Shiatsu Kneading Massage Seat Cushion Pad with Soothing Heat Function and 3 Levels of High Intensity for Muscle Pain Relief - Black (ZMA-14-BK) Features & details 𝗖𝗨𝗦𝗧𝗢𝗠𝗜𝗭𝗔𝗕𝗟𝗘 𝗠𝗔𝗦𝗦𝗔𝗚𝗘 𝗥𝗘𝗟𝗜𝗘𝗙: Adjust the position of the massage rollers to focus on your target area, or allow the massage nodes to travel up and down your back for total relaxation; Best suitable for people who are 5' 2" - 6" 𝗡𝗢𝗧 𝗝𝗨𝗦𝗧 𝗙𝗢𝗥 𝗬𝗢𝗨𝗥 𝗕𝗔𝗖𝗞: The chair massager features an extra set of shiatsu massage nodes for the neck area with a soothing heating function that can be turned on and off separately; Also includes 3 levels of vibration massage on the seat cushion. 𝗨𝗟𝗧𝗜𝗠𝗔𝗧𝗘 𝗖𝗢𝗠𝗙𝗢𝗥𝗧: Use our massage cushion to make any chair the best seat in the house; Use the ZMA14 in recliners, sofa seats, office chairs, even dining chairs; elastic strap secures the massager to your chair; Plush leatherette with a smooth, silky mesh feels comfortable to your touch 𝗦𝗔𝗙𝗘 𝗧𝗢 𝗨𝗦𝗘: Features an automatic 15-minute shut off feature that protects the device from damage and conserves energy in case you forget to turn off the machine; The ZMA14 also comes with an overheat protection feature that will prevent the device from operating outside of a safe temperature range; Comes with an UL approved power adaptor that is safe to use with both 110-120V & 220-240V electrical outlet