? LIGHT WEIGHT AND PORTABLE: Pocket size with micro USB port and USB line make it ideal for constant travels. USB cable length is 1 meter. It works only when connected to the usb. ?FRIENDLY TO SKIN: Press the button then it will work for curing 60 seconds. Its light is closer to white light, which does no harm to eyes and skin. ? EASY TO USE: Gently press the button then it will work for curing 60 seconds. Its foldable stand is retractable for easy storage and portable use. ? FAST AND COMFORTABLE: It is low wattage but quick-drying which can shorten your curing time by 30% or overheat than other mini dryers. Quick and quiet. No need any fan!. ? CURE MANY KINDS OF NAIL GELS: All light beads adopt advanced technology-- dual optical wavelength (365nm+405nm), making it work with many gel nail polish. No need to worry about changing bulbs.