LVL Rechargable LED Office Lamp with 3 Dimmable Levels,3W Cordless Desk Lamp with USB Port Stylish Design - Built with a 360 adjustable gooseneck which can be bent or twisted in any direction USB Cable:47.24inch Multi-Function - Features sensitive touch control for easy lamp POWER ON/OFF and 3 levels of brightness adjustment. Eye Protection - 18pcs LED imported beads (5,000K-5,500K) Natural daylight which has no flicker, no radiation and no UV. Safe on the eyes and relieves eye fatigue. Save Energy - Built with rechargable 1200mAh lithium battery . 2-3 hours recharging time, more than 12 hours operating time. With UL LIST Certification. Applications - Used in office,living room and bedroom or as a perfect gift for bookworms. 1 year warranty by LVL Ensure the LED desk lamp is fully charged via the USB charging port. Pressing on the the bottom at the front turns it on Pressing again lets you choose the intensity of the light. To turn lamp off, depress groove(button) again. Switch Type: Touch sensor control Lamp beads:18PCS0.5W Luminous flux:100 lm Input: DC 5V/500mA Color temperature: 5,000K LED life: &gt;50000 hours Material: ABS/Rubber Net Weight: 9.1ounces