[Effective & Safe]:The Nail fungus treatment laser device is a combination of 460nm and 910nm (invisible) lasers for home use device. Effectively keep away from problems on your toenails and fingernails. [Easy & Lightweight]:Compact design lightweight and small enough to carry around. With the added benefit of portable power, you are guaranteed of your fungus treatment for nails anytime, anywhere; even while on the go. [Charging frequency]: According to the feedback, we suggest charging once every 3 days to ensure good performance of the equipment. The package will come with a USB-C cable. Charging time: 90-120 minutes. When charging, the red light will turn on, and when fully charged, the blue light will turn on Product standby time: 4 months, product working time: 7 minutes, automatic shutdown, product usage time: 6 cycles (every 7 minutes) [How to use]:Before using the product device, clean your hands or feet, trim the length of your nails, and put your fingers in the cracks of the laser fungus treatment device for 7 minutes. When the time is up, it will be automatically extinguished. [Use cycle] :Please use the device daily. The frequency of use depends on the infection. Use it at least once or twice a day for several months. Please stick to continuous use, short-term effect will not be obvious. Purchase Notes 1.The laser light of one of this nail fungus laser is infrared light, it is not visible, so it's NOT damaged! 2.A toenail takes up to 12-18 months. Curing nail problems requires determination and persistence. Please insist on using it continuously when you want it to have a significant effect, the short-term effect may not be obvious. NOTE: Before Christmas, when purchasing products, we will give you a freeChristmas card as a gift. Welcome to make your purchase!