Boots For Blood Circulation & Fast Recovery, Muscle Pain Relief Device By systematically and repeatedly inflating and deflating the multi-chamber air chamber, it generates circulatory pressure on the limbs and tissues. It applies uniform and sequential compression from the farthest point to the closest point on the limb, facilitating the circulation of blood and lymph, thereby enhancing microcirculation and expediting the return of tissue fluid in the limb. With the ability to operate remotely via Bluetooth 5.2 control. *Manual & Voice assistance and manual in Mandarin