Forever Speed desk lamp led clip lampa for school desk 12W 24LED The dimmable USB reading light can be set to three color temperatures (cool white/warm white/neutral white) and different light intensities (from 10% to 100%) to meet different lighting needs. Lamp with USB clip, With multifunctional gooseneck. 24 LED book reading lamp, Ring design, larger light-emitting surface, better heat dissipation. Convenient light for reading without flickering and glare, this can prevent eye strain. Excellent quality, FCC, CE and RoHS certified. High-quality aluminum housing ensures fast heat dissipation and long life. The 40 cm arm can be adjusted 360 degrees, so you can flexibly adjust the height and direction of light. You can then determine the position. 1,5-meter USB cable can be easily connected to any available USB port (laptop/ desktop computer/power supply/USB adapter, etc. Durable metal clip with non-slip pad：The metal clip can be opened to 3 to 5 cm. Perfect for desks, sheet music desktops, pianos, computer tables and motherboards. 3 colour temperatures 10%-100% dimming This product is a dimmable USB reading light that can be set to three color temperatures (cool white/warm white/neutral white) and different light intensities (from 10% to 100%) to meet different lighting needs. Product information: Material: aluminum metal Dimensions: 50 x 12 x 9 cm Luminous flux: 780 lm Power: 8-12W Cable length: 1,58 m (including buttons) Ring lamp socket diameter: 4,8cm/ 8,8cm Colour LED: cool white/warm white/natural white 1 x Lampa LED；1 x USB； charger1 x User manual