ultifunctional Massage: Our leg massager is equipped with 2*2 large airbags that inflate and deflate repeatedly, forming a comfortable air compression massage cycle that helps to relax leg muscles and alleviate leg pain. Daily use can relieve the day's fatigue. Cordless & Portable: The upgraded calf massager has an integrated airbag and host, solving the problem of multiple accessories and complex use of traditional leg massagers. With its cordless design and large-capacity battery, you can enjoy a comforting leg massage anytime, anywhere. Warmth & Safety: Our massager includes a heat function with an automatic 15-minute shutdown mode to protect battery life and prevent excessive massage. The adjustable temperature range of 30- 50 can promote blood circulation and quickly eliminate post-exercise lactic acid buildup, spreading warmth from the soles of your feet throughout your body. Customizable Settings: The calf air massager offers 3 modes and 3 intensities, controlled by a single button for ease of use. The included Type-C data cable ensures easy portability. Use it at home, office, gym, or anywhere you need relief. Adjustable Fit: The leg compression massager is also equipped with Velcro for adjustable sizing, accommodating a maximum leg circumference of 22.5 inches.