3 lighting modes and 10 brightness levels The desk lamp has 3 color temperatures: warm light (3000 K), warm white light (4500 K) and white light (6500 K). Each lighting mode has 10 brightness dimming levels. A total of 30 lighting modes to meet all your needs. You can always get the most suitable light color for different uses. Ring design and eye protection The reading lamp is made of high quality LED chips, and the incandescent lamp does not need to be replaced. The head of the milky white scatter lamp offers a homogeneous light output without glare, flickering and glare. The eyes don't get tired even if they stay in the light for a long time. High quality materials and durable metal clamp The desk lamp is made of high quality aluminum alloy (not cheap plastic) to ensure better heat dissipation and does not heat up while working. The sturdy metal clip opens up to 6 cm and with non-slip pads can be used perfectly with music stands, pianos, desks, computer tables and headrests for reading. Gooseneck flexibility and power supply via USB flexible The flexible gooseneck made of high-quality aluminum alloy, with which you can easily adjust the clamp light and direct the light where you need it. The 1.6 m long USB cable can easily be connected to any available USB port (laptop / desktop / power bank / USB adapter, etc.) to supply the lamp with power. Energy saving and environmental protection The LED desk lamp only costs 20% of the energy as an incandescent lamp with the same brightness. No lead or mercury, no UV or IR radiation, the clip lamp is an ecological product.