Our toenail care device comes with a plastic casing, LED light beads, and a USB interface. It can soften inward growing toenails, prevent inflammation, disinfect, relieve toenail pain, and promote healthy nail regeneration. Its usage is simple: clean and dry your hands and nails, turn on the power, turn on the switch to activate the device, and place the affected area under the light for about 10 minutes. Daily use can achieve results. Improve toenail health, treat and soften embedded toenails and calluses, prevent inward growth of toenails, promote healthy nail regeneration, and straighten toenails.