IMINOVO Retro LED Night Light, Blowing Control USB Powered LED Table Lamp, Portable Built-in Li Battery, Imitate Kerosene Oil Lamp Design with Dimmer Control, for Dinner, Reading, Bedroom, Camping. Blowing Control:A gentle blow into the lampshade can turn on/off the lamp. (Please switch it ON first.)Or you can use your hand to tap on lampshade also can control it Adjustable brightness:Dimmer Knob adjust the brightness, just like the traditional Kerosene light. It reminds us the old days to cherish NOW Built-in battery:Charging through USB cable. With DC 5V USB port, can be connected to computer, power bank or any USB adapter convenient for studying,traveling, camping. LED light, energy saving, durable and environmental friendly.