Product Specification:-Item type: 7W USB clamp lamp-Material: aluminum alloy-Color: Black, White-Cool white: 6500K, warm white: 3000K, neutral light: 4500K- Arm length: 40cm-Cable length: 150cm-Voltage: DC 5V-Switch mode: buttonThe package contains: 1x USB clamp lamp1. LED clamp lamp with USB plug: The design of the USB plug is very practical and practical and can be connected to a laptop, PC, computer, mobile power supply unit, adapter (not included). Note: The USB light only works when the power supply is connected, but not when the power supply is interrupted. No battery, no charge2. Color and brightness adjustable: Dimmable USB reading lamp with switch and simple function keys, can set the light to three color temperatures (cool white / warm white / natural light) and different light intensities Meet different lighting needs.3. Lamp with clip and gooseneck: The 40 cm long arm can be adjusted 360 degrees so that the height and direction of the light can be flexibly adjusted to always find the ideal position. The metal arm is flexible, but at the same time maintains its position. It can be connected to bedside tables, mirror cabinets, desks, craft tables, music stands. The metal clip can be opened 3 to 5 cm.4. Positioning in the dark: You can find this LED light in the dark by the blue indicator light on the switch button. If you press and hold the switch button for 2 seconds, the USB LED will automatically turn off after 1 minute. Save your bills with energy-saving LED lights with high brightness. The blue indicator lamp (low light) only appears when the power supply is connected.5. Application: The USB clamp lamp with gooseneck ideal for reading lamp on the bed for children, book lamp LED, sewing lamp, bedside lamp children, table lamp, desk lamp, beauty lamp, tattoo lamp LED, makeup light, manicure lamp, camping lamp. This versatile and comfortable reading light is flicker-free and glare-free to prevent eye fatigue.