TROPICALTREE LED Desk Lamp, Swing Arm Desk Light with Clamp, 3 Lighting 10 Brightness Eye-Caring Modes, Reading Desk Lamps for Home Office 360°Spin with USB Adapter & Memory Function white-14W

3 Color Modes & 10 Brightness Leves White light 6500K, Warm White light 4500K, Warm light 3200K. Each color mode has 9 brightness levels, total 30 kinds dimmable lighting. It can be used for studying, relaxing, reading, working, thinking, drawing, knitting, sewing, hobby, handicrafts, craftwork,etc. Flexible & Adjustable Strong aluminum clamp supports up to 2.1 inches tabletop and holds the swing arm lamp securely in place. 360° rotating lamp, 225° rotating base, 270° adjustable metal arm, freely adjustable angles, and multiple positions. You can adjust the light direction according to your personal need. Eye Protection Light Protect people's eyes who work and reading a long time from hurt, nonflickering, no glare, no ultraviolet ray, no frequency radiation. Ideal for architects, designers, artists, secretaries, typists, editors, accountants, students, teenagers, children. Powered by USB The LED desk lamp is powered by USB, you can power it with your computer, laptop, portable battery, etc. Usb Interface: compatible equipment charging head, power bank, computer, etc. Light Source: LED Switch: push button Lamp Wattage: 10 W Material: Aluminum-Alloy Weight: 1.65 lbs Included adapter & User Manual Certification: FCC, UL Input: AC 100 - 240V Output: 5V / 2A 【Tips】 Please Note: Only Match with the adapter of 5V / 2A, otherwise it will cause damage the button controller to short-circuit.