1.3 Lighting Modes and 10 Brightness LevelsDimmable LED clip-on desk lamp with 3 lighting modes: warm light (3000K), warm white light (4500K), and white light (6500K). Each lighting mode has 10 adjustable brightness options. The built-in controller can easily switch to the lighting mode to suit your various uses, perfect for reading, computer lighting, night lighting, work, study, children's sleep, etc.

2.Flexible Arm and Strong ClampThe 15-inch gooseneck arm can be bent into any shape to adjust the lighting direction and can be adjusted to any angle more than 30,000 times. The metal clamp with non-slip pads can firmly attach to any surface and can be easily clamped onto tables, desks, bedside tables, shelves, chairs, benches, etc. The non-slip pads prevent furniture from being scratched. The clamp can stand on the table by itself if the arm is bent into a suitable shape.

3.USB Power SupplySuitable for most devices that support USB ports, such as mobile power banks, USB chargers, computers and laptops, adapters (not included), etc. [Reminder: Use only with 5V/2A adapter] 150 cm cable, excellent durability and long-distance power supply. Note: This USB desk lamp is not rechargeable!