Foldable LED Double-head Desk Lamp with A Holder USB Rechargeable Table Lamp Adjustable Brightness Eye Protection Lights Feature: Reduce Blue Light Hazards - This LED desk lamp emits soft, flicker-free light to help you reduce blue light hazards so your eyes don't have to struggle to read, work and study to adjust to unbalanced wavelengths of light. This way, your eyes won't feel fatigued after long hours of use. Simple design --- LED double head desk lamp uses double heads to solve the problem of ghosting, the lamp base can be folded, left and right can be unfolded 180 degrees, and the swing angle of 160 degrees up and down can provide you with a larger lighting range and angle. Super long battery life --- 3000 mAh capacity lithium battery, multiple charging methods, the lamp can be charged through the socket, computer and power bank. Provides 8 hours of low light, 3.5 hours of medium light and 2 hours of high light, ideal for frequent business trips, commercial trips, travel and camping. ADJUSTABLE AND PORTABLE --- This creative portable desk lamp with bright LED light offers a simple foldable design that is small and easy to carry without taking up much space. Whether in a backpack or in your luggage, you can take this desk lamp with you to work and read. At the touch of a button - This white desk lamp is easy to operate with just one button. Short press to turn on white light/warm light/warm white light/off. Long press to adjust the brightness of the light. There are 5 levels of brightness and 3 adjustable color temperature ranges from 3000K to 6500K. Specifications: Two options: with pen holder and without pen holder. Brightness: touch three-position dimming Light color: white/warm white/natural light Voltage: 5V Power: 10W Number of lamp beads: 32 Color temperature: 3000-6500k Battery mode: rechargeable and plug-in Battery capacity: 3600/4000mah The plug-in version does not include a battery and can only be used plugged in; The rechargeable version contains rechargeable batteries. Packing list: 1 * LED eye protection desk lamp 1 * USB charging data cable 1* User Manual   ABS
