&Agrave; About this project Designed for Reading--- LED emits soft, flicker-free light, anti-blue light, digital display, adjustable shade double head LED adopts double head to solve the problem of ghosting, the lamp holder can be folded, unfolded, etc. to 180 degrees at left and right straight, and 160 degree swing angle up and down gives you greater range and lighting angle Long Battery Life --- 3000mAh lithium battery, multiple charging methods, you can charge the light via outlets, computers and power banks. Provides 60 hours of low light, 3.5 hours of medium light and 4 hours of high light, ideal for frequent business trips, business trips, travel and camping, can be plugged in while charging Adjustable and Portable --- This creative portable desk lamp features bright LED light, featuring a simple foldable design, small in size, easy to carry. transport and does not take up much space. Whether in a bag back or in your luggage, you can take this lamp with you for work and reading. One button to turn on --- This white desk lamp can be easily operated with just one button. Short press to turn on white light/warm light/warm white light/off. Long press to adjust brightness. of light. There are 5 brightness levels. and 3 adjustable color temperature ranges from 3000K to 3000K. 6500K. Specification: Two options: with and without battery Brightness: touch-sensitive dimming three positions Light color: white/warm white/natural light Voltage: 5V Power: 7W Number of lamp beads: 40 Temperature of color: 3000-6500k Switch: Touch switch Capacity: battery capacity: 3000mah Packing List 1* LED Eye Protection Desk Lamp with Fan 1*USB Charging Cable 1*User Manual Notes:< br>If the rechargeable desk lamp has the following problems after you receive it: (The desk lamp and screen cannot be turned on, there are only two colors of light, no contact, etc.) Connect the lamp to the power cord for charging, then use it normally after charging If the above methods can not solve the problem, please contact online customer service for processing. with USB cable without plug, thank you! 2, The LED display of this product does not emit light at night and will not affect sleep. You can buy it with confidence!