3 Light Modes 9 Brightness LevelsThe Led Desk Lamp Remembers The Brightness Setting You Last Used With The Memory Function Multi-Function Switch. By Pressing The Switch Or Through The Wall Switch And The Smart Socket, You Can Turn The Lights On And Off And Adjust Different Levels Of Brightness To Achieve A Pleasant And Perfect Lighting Atmosphere By Lamp-Clip. Ring Design And Eye ProtectionThe Reading Lamp Is Made Of High Quality Led Chips, And There Is No Need To Replace The Bulb. The Milky White Diffusing Lamp Head Provides Even Light Output Without Glare, Flicker And Glare. Eyes WonT Get Tired Even If Left Under The Light For A Long Time. High Quality Materials And Durable Metal ClipThe Desk Lamp Is Made Of Premium Aluminum Alloy (Not Good Plastic) Market) To Ensure Better Heat Dissipation And Does Not Heat Up While Working. The Sturdy Metal Clamp Opens Up To 6Cm And Can Be Used With Non-Slip Pads Perfectly With Music Stands, Pianos, Desks, Computer Tables And Headrests For Reading. Gooseneck Flexibility And Usb PoweredThe Flexible Gooseneck Made Of Premium Aluminum Alloy, With Which You Can Easily Adjust The Clamp Light And Direct The Light Where You Need It. The 1.6M Usb Cable Which Can Be Easily Connected To Any Available Usb Port (Laptop/Desktop/Powerbank/Usb Adapter Etc.) To Power The Lamp. Energy Saving And Eco-Friendly EnvironmentalThe Led Desk Lamp Only Costs 20% Energy Like An Incandescent Lamp Does With The Same Brightness. No Lead Or Mercury, No Uv Or Ir Radiation, The Clip-Lamp Is An Ecological Product. In Addition To The Desk Lamp, You Are Also Offered A Manual, An Included Ce Certified 5V Adapter And A Lifetime Money Back Guarantee.