Feature: 1. Sleeping Lumbar Support Pillow: The lumbar pillow provides maximum support along the arch of the lower back, providing excellent comfort and support to different parts of the body and keeping the legs, hips, and spine in the ideal position during sleep. 2. USB Heating: ergonomic waist pillow uses USB interface to heat, easy to connect to the computer, mobile power and other USB interface devices, to provide continuous heating effect. 4 stage heating temperature, 4 stage timing set 15/30/45/60min. 3. Ergonomic Waist Pillow: Wrapped double wing design, so that the lumbar spine stretch, maintain curves. The lumbar support pillow fills the space between the waist and the bed, gently supports the lower back. 4. Premium Memory foam: The inner material is made of premium high density memory foam that maintains its shape to provide continuous support. With breathable properties, the comfortable sleeping lumbar support pillow provides hours of lasting comfort, it does not flatten over time and provides optimal support. 5. Wide Applications: This lower back lumbar support pad not only supports your back when you lie on your back, but can also be placed below the calf or knee. Lying on a lower back support pillow, you will fall asleep easily and have a restful sleep. Suitable for people who lie on their back, on their side. 6. Washable pillowcases: Our lumbar pillow comes with premium and soft pillowcases with removable zipper breathable pillowcases for easy cleaning. Comfortable and breathable, prevents overheating. Specification: Item Type: Lumbar Support Pillow Power Supply: USB Timer: 15/30/45/60min Temperature Settings: 4 levels Material: Cotton, PU. Package List: 1 x Lumbar Pillow