Purchase Date: November 26, 2022 Used about 3 times after purchase, but I haven't had much opportunity to use it and have been storing it. * Operation confirmed, alcohol sterilized * 【Graphene Heating Technology】Adopting a heat conduction module and the latest graphene technology, rapid heating is achieved, and it is possible to maintain a constant temperature. You can relax while warming your eyes at a comfortable temperature of about 42°C. With a combination of air, warmth, and vibration, 5 modes are set, and you can switch modes with one touch of the button on the main unit. This eye beauty device is easy to operate even for beginners and the elderly, and can be used with ease. Please switch modes freely according to your preference. * 【Carefully Designed】With an ergonomic design, it can fit various head sizes regardless of gender or age, and you can adjust the headband to the most comfortable position to enjoy eye care. There are two levels of air adjustment, and you can adjust it to a comfortable level. The part that touches the eyes is soft and uses skin-friendly leather material, and after use, you can wipe it with a cloth or alcohol to keep it clean. This eye care beauty device can be folded in half, is compact, can be stored in a bag, and is convenient to carry. * 【Recommended Users】For those who work on computers for long hours, those who are busy with work, those who drive frequently, those who use games and smartphones for long hours, those who study for long hours, and the elderly. Even when you are busy, you can relax by using the break time at work or before and after going to bed. It has a 15-minute timer function, so you can rest assured that the power will automatically turn off even if you accidentally fall asleep. It is also ideal as a reward for yourself or as a gift to family, friends, or colleagues. * Comes with a dedicated box and instruction manual. * Please understand that it is a used item, although it is in a clean condition. * We cannot respond to any complaints after purchase. Please understand. * Please note that recycled materials may be used for packaging. * Thank you.