3 in 1 Electric Lumbar Support Pillow with Adjustable Height for Bed and Chair,Back Massager with Heat,Back Support Pillow for Lower Back Pain Relief,Waist Wedge Bolster (Black). 【How to use】1. 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.
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