Compact Size & USB Design Size: 5.2 * 2.64 * 0.75 inch / 13.2 * 6.7 * 2 cm, very compact and lightweight for you to take it with you easily. And with USB design, you can use it at school, office, home, travel or anywhere conveniently! (No Instructions) Low Heat & No PainThe mini nail lamp can cure your gel nail polish with low heat, which is painless and can better protect your hands. If the lamp is a little small for your hands, we suggest you cure the thumb first and then the other 4 nails. Foldable DesignThe foldable design is very space-saving, so that the mini UV LED lamp is easily put in the handbag to take with you. You can also put these on the table and leisurely do your nails yourself while reading or working. Easy to UseShort press the "ON/OFF" button for curing of 45 seconds and long 1 - 2 seconds for curing of 60 seconds. Even for beginners, this setting is very easy to use. Optimal Gift With mini size and super cute white design, it is an optimal surprise or best birthday gift for girlfriend or women who like nail art.