Ergonomic Black TechnologyLumbar support pillow for bed has a 135 golden curvature that fits the lumbar spine closely. The extended and widened design fully wraps the waist and hips, and does not shift when you turn over while sleeping on your side. The air cotton memory core rebounds slowly within 5 seconds, dispersing pressure while strengthening support, so you can say goodbye to a suspended waist while sleeping!6 Major Advantages to Protect the LumbarBack lumbar support pillow integrates hot compress therapy and dynamic massage and static traction and ergonomic support and curved surface fitting and zero pressure touch, improving the stiffness, soreness, numbness and swelling of the lumbar muscles from the root, awakening the lumbar spine to a youthful state in 30 minutes a day!How to use1.Long press and hold the power button to turn on or off the lumbar pillow, set it to automatic mode, and automatically cycle between vibration, inflation, and red light modes. 2. Press and hold another button to turn on the manual mode, and short press to select the mode. The blue light flashes for vibration mode, the green light flashes for inflation mode, and the red light flashes for heating mode. Note: Please read the instructions carefully and check the charging methodEnjoy Comfort without Burden in All SeasonsThe surface of the adjustable lumbar support pillow is made of moisture-wicking black technology fabric, which is skin-friendly and feels like a cloud wrap. It is breathable and quick-drying without being stuffy. Hot compress and massage after exercise can also make you feel refreshed as before. It is suitable for office/home/travel scenarios!A New Scientific Way to Protect WaistLower back pain relief for bed is easy to operate and suitable for all ages. Whether you have back pain from sitting for a long time while working overtime, overstrain from fitness, or back repair after childbirth, this pillow can provide professional care for your spine! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.