[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. [ Lumbar Support Pillow]Electric Lumbar Support Pillow has 3 major advantages: vibrations massage, constant temperature hot compress and electric lifting.Intelligent vibrations mode accurately relieve muscle stiffness, and constant temperature infrared hot compress promote blood circulation [Ergonomic Black Technology]Lumbar 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. [6 Major Advantages to Protect the Lumbar]Back lumbar support pillow integrates hot compress therapy + dynamic massage + static traction + ergonomic support + curved fitting + zero pressure touch, improving the stiffness, soreness, numbness and swelling of the lumbar muscles from the root [A Scientific Way to Protect Waist]Lower 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! Color: As Shown Material: Memory Foam + Polyester Package Contents: 1 back massage pillow, 1 charging cable 1 instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.