2022 Upgrade Neck and Back Massager: Larger size: 15*13 inches, 6 inches longer than ordinary massage pillows. Perfectly fits the neck and back curves to provide most comfortable massage experience. 2 heating positions with 2 heating levels. 3 adjustable intensities. 2 Heating Zones with 2 Heating Levels: This electric massager has two built-in heating zones, you can enjoy the heat on your neck and back at the same time. 2-level focal heat therapy technology further release soreness and fatigue to create comfort. Automatic shut down in 15 minutes to prevent overuse.