BYB Dimmable LED Desk Lamp Eye-caring Table Lamp, Flexible Arm, Stepless Dimming Touch Control, 4 Lighting Modes, 1-Hour / 2-Hour Auto Timer, 5V / 2A USB Charging Port, 5W (Black) Exclusive Eye-Protection Technology: Built with Innovative light guiding plate and patented horizontal double-array side-emitting technology that provides eye-caring light without flicker, harsh glare and ghosting Intelligent Adjustable: Touch control between 4 lighting modes (study, read, relax and bedtime) and stepless dimming level. Adjustable lamp-arm and lamp panel ensures you're able to get the perfect angle. Memory function allows you to just tap and go to your last light modes each time Economical & Environmentally Friendly: 48 Premium LEDs using 70% less energy than conventional bulbs and last over 20 years, you'll never have to change a bulb again, saving time and money Not Just USB Charging: Thanks to the unique USB Interface, you can not only charge your smart phone and e-reader, but also get eye-caring light again by your portable charger or Macbook even after a sudden electricity black-out. Max 5V / 2A Input What You Get: BYBLIGHT E-102 LED Lamp; Adapter; USB Cable; User Manual; Cleaning Cloth; our worry-free 18-month Warranty and Lifetime Friendly Customer Service