Blue Blood Air Tech Back Pillow, a moving back pillow for back stretching, shoulder blade stretching, and improved posture and shoulder support. Also

*The video has been played at 10x speed to make the movement easier to see. Stretch your back while you sleep! BlueBlood AirTech Back Pillow with airbags [Moving back pillow] This next-generation bedding was developed by sleep environment and bedding specialists, resulting in dynamic bedding. [For stiff shoulder blades and back] Stretch your back, which has become stiff due to hunched posture or rounded shoulders, while you sleep. [Relax with breathing guide] A meditation mode that guides you through slow, deep breathing to help you get better quality sleep. [Stretch before bed] A stretch mode that pushes up from below to open your chest and straighten your spine. [Warming function] The heating function provides a warm and comfortable feeling in winter. [Automatic shutdown function] Each mode automatically shuts off and returns to a flat state after use, so you can leave it on the floor! [Strength of curvature] The pushing up force is strong, so please use it while using a pillow. (The photo shows the pillow removed to better convey the curvature.) Those who prefer a stronger curvature or who exercise regularly can also use the mattress without the pillow. [Size] Approx. 61.8 x 50.6 cm, Height: Approx. 2.4 cm