MIU COLOR DL-001 Cool White Ultra-thin Eye-Protection Gooseneck LED Portable Desk Lamp / Detachable Emergency Outdoor Light / Camping Light Detachable design; Built-in rechargeable battery, power can be used for emergency lighting Provides natural, non-flickering, soft and uniform light, aim at protecting your eyes USB port for charging smart phones, tablets and eBooks while reading 3 Touch type dimming design meets the different needs Low heat and power, energy saving and environment friendly