①. Using high-performance LED beads, 660nm and 850nm red light, the heating pads have high brightness. The red light can reach up to 26 milliwatts per square millimeter, which ensures that the red light can work well to enhance the massage effect, effectively eliminate fatigue, soothe and relax the body. ②. The heating pad is equipped with a red light. There are 2 motors with 3 vibration intensities to choose from. The silent motor design, 30 - 45 dB low noise ensures that one may not be disturbed by noise during the massage, so one can enjoy a quiet massage at any time. ③. There are 4 red light modes, 660, 850, F10, ALL, corresponding to only 660nm, only 850nm (850nm invisible), 660nm/850nm flashing continuously. 10H frequency, 660nm and 850nm light together. When the red light mode is on, there are 3 kinds of brightness options, the screen displays L1, L2, L3, one can choose the appropriate mode and brightness. ④. The infrared lamp has 3 timing functions: 15/30/45 minutes, one can adjust the timing according to needs. If the time is not set, the device will automatically be programmed for 15 minutes. ⑤. Large capacity battery 5000MA, one massage can be used for about 14 hours.