Newly Upgraded Charging Mode Electric lumbar support pillow is now rechargeable. It eliminates the need for a plug-in like other models on the market, expanding its flexibility and convenience. A full charge provides 4-5 hours of use. Please note that a single use should not exceed 20 minutes to avoid excessive massage.The lumbar pillow massage will end after 15 minutes. If you want to continue the massage, please restart it. 3-in-1 Lumbar Support Pillow Electric Lumbar Support Pillow has 3 major advantages: vibration massage, constant temperature hot compress and electric lifting.Intelligent vibration mode accurately relieve muscle stiffness, and constant temperature infrared hot compress promote blood circulation; one-button start electric lifting traction, physical stretching of the lumbar spine to release pressure.