led clip reading lights,daylight 18 leds book lights,3 brightness,usb rechargeable,built-in 1200mah battery,touch switch,flexible gooseneck bifuldyo this reading light has a built-in 1200mah rechargeable battery. it can be charged by usb, pc, usb socket, car charger light.</br> it can be used in battery mode or directly into the power supply. </br> it features a sensitive touch switch, 3-level brightness adjustment (soft, bright, glare), and a white matte shade that softens the light to protect your glasses. can be used as a reading light or a computer work light. </br> it has a color-changing charging indicator: the red light is on to indicate that it is charging, and the green light is on, indicating that the battery is fully charged. </br> the flexible gooseneck arm can be rotated 360° for easy adjustment to the angle you need. package includes: 1 * led clip reading lamp 1 * usb charging cable (no charger incl.)