Product features:
①Relieve hip joint injury pain, hip bone pain, lumbar disc, and crotch discomfort
②105 red light beads, true red light of 660nm covers a large area of thighs, hip joints and other parts
③3 heating levels, 46-57-65 degrees Celsius, respectively green light, blue light, red light
④2 power supply methods, one is used with a power bank, and the other is used with a USB plug