Product Features: 1. Red light heating function for quick warmth. 2. Mesh bag design allows placement of herbal bags for hot compress therapy. 3. Vibration massage function with three adjustable intensity levels to simulate manual massage. 4. Dual heating and massage functions with three heating levels and three vibration modes. Equipped with a digital display controller and touch screen buttons showing temperature and power levels. Adjustable nylon buckle for comfortable fit and customizable positioning. Features an anti-slip design and anti-accidental touch mode to prevent unintended button presses during use. Color: Gray Material: Neoprene Package Contents: 1 x Belt Warmer 1 x USB Charging Cable Note: Other items not included. Light reflection and differences in display screens may cause slight color variations between the image and actual product. Measurement may vary by +/- 1-3 cm.