MULTIPLE LIGHTING MODES & BRIGHTNESS: With 3 lighting modes and 9 brightness levels, this LED desk lamp remembers your last brightness setting thanks to its multi-functional memory switch. Feature: By touching the switch or using the smart wall sockets, you can turn the lights on and off and adjust the brightness to create the perfect, comfortable lighting atmosphere. Ring Design: This eye-protection reading lamp uses high-quality LED chips, eliminating the need to replace bulbs. The milky white diffuser provides an even light effect without glare, flicker or glare. Not even after prolonged use will your eyes get tired. Material: This high-quality, durable metal clip desk lamp is made of high-quality aluminum alloy (not cheap plastic) to ensure better heat dissipation and prevent overheating during use. The sturdy metal clip opens up to 6 cm and works perfectly with the non-slip mat for music stands, pianos, desks, computer tables and headboards for reading. Features: Flexible gooseneck and USB power. The flexible gooseneck is made of high-quality aluminum alloy, allowing you to easily adjust the lamp and direct the light where you need it. The 1.6m USB cable can be easily connected to any available USB port (laptop/desktop/power bank/USB adapter etc.) to power the lamp.