1. Lamp with USB Port: The design of the USB port is very convenient and practical, you can connect it to laptops, pc, computers, power banks, adapters (not included), etc. NOTE: The usb lamp only works when it is plugged into the mains, but no longer works as soon as it is unplugged. Without battery and not rechargeable ^ 2. Color and Brightness Adjustable: The USB reading light with simple switches and function keys, which can adjust the light to three color temperatures (cool white / warm white / natural light) and different light intensities (10% to 100%) to meet different lighting needs. 48 LEDs, no dark area, brighter. USB variable intensity reading lamp for children, color black, has excellent durability.^ 3. Lamp with Clamp and Flexible Arm: The 35cm arm can be bent 360 degrees freely, so that the height and direction of the light can be flexibly adjusted to always find the ideal position. The metal arm is flexible, but at the same time maintains its position. Thanks to the clip, it is very suitable for fixing on the bedside table, bed, desk, various shelves and the clip can be easily opened from 3 to 5 cm.^ 4. Positioning in the dark: Weak blue light on the switch button allows you to find the switch in the dark. If you keep the button pressed for 2 seconds, the lamp will automatically turn off after 1 minute. The blue light will only turn on when the power is connected.^ 5. Application: This clamp lamp is ideal for reading at night in bed (perfect gift for children), for camping, bedside lamp, table lamp, desk lamp, beauty, tattoo, work, manicure , eyelash extension, etc. It can be fixed on the keyboard, music stand, piano, craft table and provides soft lighting. This versatile and comfortable reading light is free of flicker and glare, which helps prevent eye strain.^