ShineMeCordless Ultra-thin Gooseneck LED Desk Lamp-Built-in 500mAh Rechargeable Lithium Battery Wire-free Compact Smart Touch Control 3-Level Brightness for Study/Reading/Working/ Relaxing/Camping SMART TOUCH CONTROL SWITCH: 3-level brightness controlled by a highly-sensitive touch switch, compact and easy operation ADJUST IT AT YOUR WILL: gooseneck lamp arm wrapped in silicone rubber allows for free angle adjustment, and provides the most comfortable hand-feel CORDLESS FOR MAXIMUM PORTABILITY: when fully charged, the built-in 500mAh lithium battery supports the lamp to continuously work for up to 12hrs without plugged, a true revolution to the traditional cord-powered desk lamp, portable & mobile in use (eg: easily transfer from living room to bedroom) CARE FOR YOUR EYES: premium LED light source (color temperature: 5000K) produces soft, flicker-free, anti-glare light without ghosting to relieve eye fatigue SAVE MONEY ON YOUR ENERGY BILL: LED low power consumption saves up to 80% energy and electricity and the lifespan is up to 30000 hours