Feature: Highlight LED: Double head desk lamp uses energy saving highlight high power LED lamp beads, with a flexible gooseneck, to meet your various need. USB Powered: Clip desk lamp is USB powered, low voltage, stable and safe, compatible with computers, power banks, notebooks, chargers and other devices. With Clip: With clip base, can clamp 3cm thickness table board, equipped with anti wear protection pad, can hold the table board firmly and will not scratch the table. 10 Gear Adjustable: LED table lamp with 10 gear, the brightness can be adjustment according to your needs, to meet different lighting needs. Widely Application: Clip desk lamp is made of high quality aluminum material, widely used in bedrooms, living rooms, offices, dormitories, etc. How to Use: Turn on the power, press the key to turn on the switch, and it will light up. The button can adjust the brightness of the light in 10 levels Specification: Item Type: LED Double Head Desk Lamp Maximum Straightening Length: Big Lamp Head To Clip: Approx. 45cm / 17.7in Small Lamp Head To Clip: Approx. 32.5cm / 12.8in Power Supply Mode: USB Dimming Gear: 10 gears with adjustable brightness Luminous Mode: double lights all on, big light single on, small light single on Light Source: White light Switch Mode: Button type Power: 3W Material: Aluminum Life: 30000H Weight: Approx. 382g / 13.5oz Package List: 1 x Double Head Desk Lamp